diff --git a/htdocs/core/db/mssql.class.php b/htdocs/core/db/mssql.class.php
index b845e54cd93..5056bf65441 100644
--- a/htdocs/core/db/mssql.class.php
+++ b/htdocs/core/db/mssql.class.php
@@ -92,7 +92,7 @@ class DoliDBMssql
 			$this->connected = 0;
 			$this->ok = 0;
 			$this->error="Mssql PHP functions for using MSSql driver are not available in this version of PHP";
-			dol_syslog("DoliDB::DoliDB : MSsql PHP functions for using MSsql driver are not available in this version of PHP",LOG_ERR);
+			dol_syslog(get_class($this)."::DoliDBMssql : MSsql PHP functions for using MSsql driver are not available in this version of PHP",LOG_ERR);
 			return $this->ok;
 		}
 
@@ -101,7 +101,7 @@ class DoliDBMssql
 			$this->connected = 0;
 			$this->ok = 0;
 			$this->error=$langs->trans("ErrorWrongHostParameter");
-			dol_syslog("DoliDB::DoliDB : Erreur Connect, wrong host parameters",LOG_ERR);
+			dol_syslog(get_class($this)."::DoliDBMssql : Erreur Connect, wrong host parameters",LOG_ERR);
 			return $this->ok;
 		}
 
@@ -120,7 +120,7 @@ class DoliDBMssql
 			$this->connected = 0;
 			$this->ok = 0;
 			$this->error=mssql_get_last_message();
-			dol_syslog("DoliDB::DoliDB : Erreur Connect mssql_get_last_message=".$this->error,LOG_ERR);
+			dol_syslog(get_class($this)."::DoliDBMssql : Erreur Connect mssql_get_last_message=".$this->error,LOG_ERR);
 		}
 
 		// Si connexion serveur ok et si connexion base demandee, on essaie connexion base
@@ -138,7 +138,7 @@ class DoliDBMssql
 				$this->database_name = '';
 				$this->ok = 0;
 				$this->error=$this->error();
-				dol_syslog("DoliDB::DoliDB : Erreur Select_db ".$this->error,LOG_ERR);
+				dol_syslog(get_class($this)."::DoliDBMssql : Erreur Select_db ".$this->error,LOG_ERR);
 			}
 		}
 		else
@@ -186,7 +186,7 @@ class DoliDBMssql
 	 */
 	function connect($host, $login, $passwd, $name, $port=0)
 	{
-		dol_syslog("DoliDB::connect host=$host, port=$port, login=$login, passwd=--hidden--, name=$name");
+		dol_syslog(get_class($this)."::connect host=$host, port=$port, login=$login, passwd=--hidden--, name=$name");
 		$newhost=$host;
 		if ($port) $newhost.=':'.$port;
 		$this->db  = @mssql_connect($newhost, $login, $passwd);
@@ -242,7 +242,7 @@ class DoliDBMssql
     {
         if ($this->db)
         {
-          //dol_syslog("DoliDB::disconnect",LOG_DEBUG);
+          //dol_syslog(get_class($this)."::disconnect",LOG_DEBUG);
           $this->connected=0;
           return mssql_close($this->db);
         }
@@ -403,7 +403,7 @@ class DoliDBMssql
                 $this->lastqueryerror = $query;
 				$this->lasterror = $this->error();
 				$this->lasterrno = $row["code"];
-                dol_syslog("Mssql.lib::query SQL error: ".$query, LOG_WARNING);
+                dol_syslog(get_class($this)."::query SQL error: ".$query, LOG_WARNING);
 			}
 			$this->lastquery=$query;
 			$this->results = $ret;
diff --git a/htdocs/core/db/mysql.class.php b/htdocs/core/db/mysql.class.php
index a76db78f8cd..3cd4f17eb7c 100644
--- a/htdocs/core/db/mysql.class.php
+++ b/htdocs/core/db/mysql.class.php
@@ -98,7 +98,7 @@ class DoliDBMysql
 			$this->connected = 0;
 			$this->ok = 0;
 			$this->error="Mysql PHP functions for using MySql driver are not available in this version of PHP. Try to use another driver.";
-			dol_syslog("DoliDB::DoliDB : Mysql PHP functions for using Mysql driver are not available in this version of PHP. Try to use another driver.",LOG_ERR);
+			dol_syslog(get_class($this)."::DoliDBMysql : Mysql PHP functions for using Mysql driver are not available in this version of PHP. Try to use another driver.",LOG_ERR);
 			return $this->ok;
 		}
 
@@ -107,7 +107,7 @@ class DoliDBMysql
 			$this->connected = 0;
 			$this->ok = 0;
 			$this->error=$langs->trans("ErrorWrongHostParameter");
-			dol_syslog("DoliDB::DoliDB : Erreur Connect, wrong host parameters",LOG_ERR);
+			dol_syslog(get_class($this)."::DoliDBMysql : Erreur Connect, wrong host parameters",LOG_ERR);
 			return $this->ok;
 		}
 
@@ -124,7 +124,7 @@ class DoliDBMysql
 			$this->connected = 0;
 			$this->ok = 0;
 			$this->error=mysql_error();
-			dol_syslog("DoliDB::DoliDB : Erreur Connect mysql_error=".$this->error,LOG_ERR);
+			dol_syslog(get_class($this)."::DoliDBMysql : Erreur Connect mysql_error=".$this->error,LOG_ERR);
 		}
 
 		// Si connexion serveur ok et si connexion base demandee, on essaie connexion base
@@ -152,7 +152,7 @@ class DoliDBMysql
 				$this->database_name = '';
 				$this->ok = 0;
 				$this->error=$this->error();
-				dol_syslog("DoliDB::DoliDB : Erreur Select_db ".$this->error,LOG_ERR);
+				dol_syslog(get_class($this)."::DoliDBMysql : Erreur Select_db ".$this->error,LOG_ERR);
 			}
 		}
 		else
@@ -198,7 +198,7 @@ class DoliDBMysql
 	 */
 	function select_db($database)
 	{
-		dol_syslog("DoliDB::select_db database=".$database, LOG_DEBUG);
+		dol_syslog(get_class($this)."::select_db database=".$database, LOG_DEBUG);
 		return mysql_select_db($database, $this->db);
 	}
 
@@ -215,7 +215,7 @@ class DoliDBMysql
 	 */
 	function connect($host, $login, $passwd, $name, $port=0)
 	{
-		dol_syslog("DoliDB::connect host=$host, port=$port, login=$login, passwd=--hidden--, name=$name",LOG_DEBUG);
+		dol_syslog(get_class($this)."::connect host=$host, port=$port, login=$login, passwd=--hidden--, name=$name",LOG_DEBUG);
 
 		$newhost=$host;
 
@@ -269,7 +269,7 @@ class DoliDBMysql
     {
         if ($this->db)
         {
-          //dol_syslog("DoliDB::disconnect",LOG_DEBUG);
+          //dol_syslog(get_class($this)."::disconnect",LOG_DEBUG);
           $this->connected=0;
           return mysql_close($this->db);
         }
@@ -380,7 +380,7 @@ class DoliDBMysql
 				$this->lastqueryerror = $query;
 				$this->lasterror = $this->error();
 				$this->lasterrno = $this->errno();
-                dol_syslog("Mysql.lib::query SQL error: ".$query." ".$this->lasterrno, LOG_WARNING);
+                dol_syslog(get_class($this)."::query SQL error: ".$query." ".$this->lasterrno, LOG_WARNING);
 			}
 			$this->lastquery=$query;
 			$this->results = $ret;
@@ -1032,11 +1032,11 @@ class DoliDBMysql
 		$sql.= " VALUES ('".addslashes($dolibarr_main_db_host)."','".addslashes($dolibarr_main_db_user)."',password('".addslashes($dolibarr_main_db_pass)."')";
 		$sql.= ",'Y','Y','Y','Y','Y','Y','Y','Y','Y')";
 
-		dol_syslog("mysql.lib::DDLCreateUser", LOG_DEBUG);	// No sql to avoid password in log
+		dol_syslog(get_class($this)."::DDLCreateUser", LOG_DEBUG);	// No sql to avoid password in log
 		$resql=$this->query($sql);
 		if (! $resql)
 		{
-			dol_syslog("mysqli.lib::DDLCreateUser sql=".$sql, LOG_ERR);
+			dol_syslog(get_class($this)."::DDLCreateUser sql=".$sql, LOG_ERR);
 			return -1;
 		}
 
@@ -1045,21 +1045,21 @@ class DoliDBMysql
 		$sql.= " VALUES ('".addslashes($dolibarr_main_db_host)."','".addslashes($dolibarr_main_db_name)."','".addslashes($dolibarr_main_db_user)."'";
 		$sql.= ",'Y','Y','Y','Y','Y','Y','Y','Y','Y')";
 
-		dol_syslog("mysql.lib::DDLCreateUser sql=".$sql,LOG_DEBUG);
+		dol_syslog(get_class($this)."::DDLCreateUser sql=".$sql,LOG_DEBUG);
 		$resql=$this->query($sql);
 		if (! $resql)
 		{
-			dol_syslog("mysqli.lib::DDLCreateUser sql=".$sql, LOG_ERR);
+			dol_syslog(get_class($this)."::DDLCreateUser sql=".$sql, LOG_ERR);
 			return -1;
 		}
 
 		$sql="FLUSH Privileges";
 
-		dol_syslog("mysql.lib::DDLCreateUser sql=".$sql,LOG_DEBUG);
+		dol_syslog(get_class($this)."::DDLCreateUser sql=".$sql,LOG_DEBUG);
 		$resql=$this->query($sql);
 		if (! $resql)
 		{
-			dol_syslog("mysqli.lib::DDLCreateUser sql=".$sql, LOG_ERR);
+			dol_syslog(get_class($this)."::DDLCreateUser sql=".$sql, LOG_ERR);
 			return -1;
 		}
 
diff --git a/htdocs/core/db/mysqli.class.php b/htdocs/core/db/mysqli.class.php
index 1f48b583386..19b2b8fe885 100644
--- a/htdocs/core/db/mysqli.class.php
+++ b/htdocs/core/db/mysqli.class.php
@@ -98,7 +98,7 @@ class DoliDBMysqli
             $this->connected = 0;
             $this->ok = 0;
             $this->error="Mysqli PHP functions for using Mysqli driver are not available in this version of PHP. Try to use another driver.";
-            dol_syslog("DoliDB::DoliDB : Mysqli PHP functions for using Mysqli driver are not available in this version of PHP. Try to use another driver.",LOG_ERR);
+            dol_syslog(get_class($this)."::DoliDBMysqli : Mysqli PHP functions for using Mysqli driver are not available in this version of PHP. Try to use another driver.",LOG_ERR);
             return $this->ok;
         }
 
@@ -107,7 +107,7 @@ class DoliDBMysqli
             $this->connected = 0;
             $this->ok = 0;
             $this->error=$langs->trans("ErrorWrongHostParameter");
-            dol_syslog("DoliDB::DoliDB : Erreur Connect, wrong host parameters",LOG_ERR);
+            dol_syslog(get_class($this)."::DoliDBMysqli : Erreur Connect, wrong host parameters",LOG_ERR);
             return $this->ok;
         }
 
@@ -126,7 +126,7 @@ class DoliDBMysqli
             $this->connected = 0;
             $this->ok = 0;
             $this->error=mysqli_connect_error();
-            dol_syslog("DoliDB::DoliDB : Erreur Connect mysqli_connect_error=".$this->error,LOG_ERR);
+            dol_syslog(get_class($this)."::DoliDBMysqli : Erreur Connect mysqli_connect_error=".$this->error,LOG_ERR);
         }
 
         // Si connexion serveur ok et si connexion base demandee, on essaie connexion base
@@ -154,7 +154,7 @@ class DoliDBMysqli
                 $this->database_name = '';
                 $this->ok = 0;
                 $this->error=$this->error();
-                dol_syslog("DoliDB::DoliDB : Erreur Select_db ".$this->error,LOG_ERR);
+                dol_syslog(get_class($this)."::DoliDBMysqli : Erreur Select_db ".$this->error,LOG_ERR);
             }
         }
         else
@@ -200,7 +200,7 @@ class DoliDBMysqli
 	 */
     function select_db($database)
     {
-        dol_syslog("DoliDB::select_db database=".$database, LOG_DEBUG);
+        dol_syslog(get_class($this)."::select_db database=".$database, LOG_DEBUG);
         return mysqli_select_db($this->db,$database);
     }
 
@@ -218,7 +218,7 @@ class DoliDBMysqli
      */
     function connect($host, $login, $passwd, $name, $port=0)
     {
-        dol_syslog("DoliDB::connect host=$host, port=$port, login=$login, passwd=--hidden--, name=$name",LOG_DEBUG);
+        dol_syslog(get_class($this)."::connect host=$host, port=$port, login=$login, passwd=--hidden--, name=$name",LOG_DEBUG);
 
         $newhost=$host;
         $newport=$port;
@@ -276,7 +276,7 @@ class DoliDBMysqli
     {
         if ($this->db)
         {
-            //dol_syslog("DoliDB::disconnect",LOG_DEBUG);
+            //dol_syslog(get_class($this)."::disconnect",LOG_DEBUG);
             $this->connected=0;
             return mysqli_close($this->db);
         }
@@ -385,7 +385,7 @@ class DoliDBMysqli
                 $this->lastqueryerror = $query;
                 $this->lasterror = $this->error();
                 $this->lasterrno = $this->errno();
-                dol_syslog("Mysqli.lib::query SQL error: ".$query." ".$this->lasterrno, LOG_WARNING);
+                dol_syslog(get_class($this)."::query SQL error: ".$query." ".$this->lasterrno, LOG_WARNING);
             }
             $this->lastquery=$query;
             $this->results = $ret;
@@ -1044,11 +1044,11 @@ class DoliDBMysqli
         $sql.= " VALUES ('".addslashes($dolibarr_main_db_host)."','".addslashes($dolibarr_main_db_user)."',password('".addslashes($dolibarr_main_db_pass)."')";
         $sql.= ",'Y','Y','Y','Y','Y','Y','Y','Y','Y')";
 
-        dol_syslog("mysqli.lib::DDLCreateUser", LOG_DEBUG);	// No sql to avoid password in log
+        dol_syslog(get_class($this)."::DDLCreateUser", LOG_DEBUG);	// No sql to avoid password in log
         $resql=$this->query($sql);
         if (! $resql)
         {
-            dol_syslog("mysqli.lib::DDLCreateUser sql=".$sql, LOG_ERR);
+            dol_syslog(get_class($this)."::DDLCreateUser sql=".$sql, LOG_ERR);
             return -1;
         }
 
@@ -1057,21 +1057,21 @@ class DoliDBMysqli
         $sql.= " VALUES ('".addslashes($dolibarr_main_db_host)."','".addslashes($dolibarr_main_db_name)."','".addslashes($dolibarr_main_db_user)."'";
         $sql.= ",'Y','Y','Y','Y','Y','Y','Y','Y','Y')";
 
-        dol_syslog("mysqli.lib::DDLCreateUser sql=".$sql);
+        dol_syslog(get_class($this)."::DDLCreateUser sql=".$sql);
         $resql=$this->query($sql);
         if (! $resql)
         {
-            dol_syslog("mysqli.lib::DDLCreateUser sql=".$sql, LOG_ERR);
+            dol_syslog(get_class($this)."::DDLCreateUser sql=".$sql, LOG_ERR);
             return -1;
         }
 
         $sql="FLUSH Privileges";
 
-        dol_syslog("mysqli.lib::DDLCreateUser sql=".$sql);
+        dol_syslog(get_class($this)."::DDLCreateUser sql=".$sql);
         $resql=$this->query($sql);
         if (! $resql)
         {
-            dol_syslog("mysqli.lib::DDLCreateUser sql=".$sql, LOG_ERR);
+            dol_syslog(get_class($this)."::DDLCreateUser sql=".$sql, LOG_ERR);
             return -1;
         }
 
diff --git a/htdocs/core/db/pgsql.class.php b/htdocs/core/db/pgsql.class.php
index 333a60783a0..a2b600908c2 100644
--- a/htdocs/core/db/pgsql.class.php
+++ b/htdocs/core/db/pgsql.class.php
@@ -87,7 +87,7 @@ class DoliDBPgsql
 			$this->connected = 0;
 			$this->ok = 0;
 			$this->error="Pgsql PHP functions are not available in this version of PHP";
-			dol_syslog("DoliDB::DoliDB : Pgsql PHP functions are not available in this version of PHP",LOG_ERR);
+			dol_syslog(get_class($this)."::DoliDBPgsql : Pgsql PHP functions are not available in this version of PHP",LOG_ERR);
 			return $this->ok;
 		}
 
@@ -96,7 +96,7 @@ class DoliDBPgsql
 			$this->connected = 0;
 			$this->ok = 0;
 			$this->error=$langs->trans("ErrorWrongHostParameter");
-			dol_syslog("DoliDB::DoliDB : Erreur Connect, wrong host parameters",LOG_ERR);
+			dol_syslog(get_class($this)."::DoliDBPgsql : Erreur Connect, wrong host parameters",LOG_ERR);
 			return $this->ok;
 		}
 
@@ -114,7 +114,7 @@ class DoliDBPgsql
 			$this->connected = 0;
 			$this->ok = 0;
 			$this->error='Host, login or password incorrect';
-			dol_syslog("DoliDB::DoliDB : Erreur Connect ".$this->error,LOG_ERR);
+			dol_syslog(get_class($this)."::DoliDBPgsql : Erreur Connect ".$this->error,LOG_ERR);
 		}
 
 		// Si connexion serveur ok et si connexion base demandee, on essaie connexion base
@@ -132,7 +132,7 @@ class DoliDBPgsql
 				$this->database_name = '';
 				$this->ok = 0;
 				$this->error=$this->error();
-				dol_syslog("DoliDB::DoliDB : Erreur Select_db ".$this->error,LOG_ERR);
+				dol_syslog(get_class($this)."::DoliDBPgsql : Erreur Select_db ".$this->error,LOG_ERR);
 			}
 		}
 		else
@@ -412,7 +412,7 @@ class DoliDBPgsql
     {
         if ($this->db)
         {
-          //dol_syslog("DoliDB::disconnect",LOG_DEBUG);
+          //dol_syslog(get_class($this)."::disconnect",LOG_DEBUG);
           $this->connected=0;
           return pg_close($this->db);
         }
@@ -531,7 +531,7 @@ class DoliDBPgsql
 				$this->lastqueryerror = $query;
 				$this->lasterror = $this->error();
 				$this->lasterrno = $this->errno();
-				dol_syslog("Pgsql.lib::query SQL error: ".$query." ".$this->lasterrno, LOG_WARNING);
+				dol_syslog(get_class($this)."::query SQL error: ".$query." ".$this->lasterrno, LOG_WARNING);
 				//print "\n>> ".$query."<br>\n";
 				//print '>> '.$this->lasterrno.' - '.$this->lasterror.' - '.$this->lastqueryerror."<br>\n";
 
@@ -1078,7 +1078,7 @@ class DoliDBPgsql
 	{
 		$sql = "create user \"".addslashes($dolibarr_main_db_user)."\" with password '".addslashes($dolibarr_main_db_pass)."'";
 
-		dol_syslog("pgsql.lib::DDLCreateUser", LOG_DEBUG);	// No sql to avoid password in log
+		dol_syslog(get_class($this)."::DDLCreateUser", LOG_DEBUG);	// No sql to avoid password in log
 		$resql=$this->query($sql);
 		if (! $resql)
 		{