diff --git a/htdocs/lib/admin.lib.php b/htdocs/lib/admin.lib.php
index bc752c50925..68990b44030 100644
--- a/htdocs/lib/admin.lib.php
+++ b/htdocs/lib/admin.lib.php
@@ -346,7 +346,7 @@ function dolibarr_get_const($db, $name, $entity=1)
 
 	$sql = "SELECT ".$db->decrypt('value')." as value";
 	$sql.= " FROM ".MAIN_DB_PREFIX."const";
-	$sql.= " WHERE name = ".$db->encrypt($db->escape($name),1);
+	$sql.= " WHERE name = ".$db->encrypt($name,1);
 	$sql.= " AND entity = ".$entity;
 
 	dol_syslog("admin.lib::dolibarr_get_const sql=".$sql);
@@ -391,7 +391,7 @@ function dolibarr_set_const($db, $name, $value, $type='chaine', $visible=0, $not
 	$db->begin();
 
 	$sql = "DELETE FROM ".MAIN_DB_PREFIX."const";
-	$sql.= " WHERE name = ".$db->encrypt($db->escape($name),1);
+	$sql.= " WHERE name = ".$db->encrypt($name,1);
 	$sql.= " AND entity = ".$entity;
 
 	dol_syslog("admin.lib::dolibarr_set_const sql=".$sql, LOG_DEBUG);
@@ -401,11 +401,13 @@ function dolibarr_set_const($db, $name, $value, $type='chaine', $visible=0, $not
 	{
 		$sql = "INSERT INTO llx_const(name,value,type,visible,note,entity)";
 		$sql.= " VALUES (";
-		$sql.= $db->encrypt($db->escape($name),1);
-		$sql.= ", ".$db->encrypt($db->escape($value),1);
+		$sql.= $db->encrypt($name,1);
+		$sql.= ", ".$db->encrypt($value,1);
 		$sql.= ",'".$type."',".$visible.",'".$db->escape($note)."',".$entity.")";
 
 		//print "sql".$value."-".pg_escape_string($value)."-".$sql;exit;
+        //print "xx".$db->escape($value);
+        //print $sql;exit;
 		dol_syslog("admin.lib::dolibarr_set_const sql=".$sql, LOG_DEBUG);
 		$resql=$db->query($sql);
 	}
diff --git a/htdocs/lib/databases/mssql.lib.php b/htdocs/lib/databases/mssql.lib.php
index 7f464b640a5..04525727aef 100644
--- a/htdocs/lib/databases/mssql.lib.php
+++ b/htdocs/lib/databases/mssql.lib.php
@@ -690,10 +690,11 @@ class DoliDb
 	}
 
 	/**
-	 *	\brief          Encrypt sensitive data in database
-	 *	\param	        fieldorvalue	Field name or value to encrypt
-	 * 	\param			withQuotes		Return string with quotes
-	 * 	\return	        return			XXX(field) or XXX('value') or field or 'value'
+     *  Encrypt sensitive data in database
+     *  Warning: This function includes the escape, so it must use direct value
+     *  @param          fieldorvalue    Field name or value to encrypt
+     *  @param          withQuotes      Return string with quotes
+     *  @return         return          XXX(field) or XXX('value') or field or 'value'
 	 */
 	function encrypt($fieldorvalue, $withQuotes=0)
 	{
@@ -706,7 +707,7 @@ class DoliDb
 		$cryptKey = (!empty($conf->db->dolibarr_main_db_cryptkey)?$conf->db->dolibarr_main_db_cryptkey:'');
 
 		$return = $fieldorvalue;
-		return ($withQuotes?"'":"").$return.($withQuotes?"'":"");
+		return ($withQuotes?"'":"").$this->escape($return).($withQuotes?"'":"");
 	}
 
 	/**
diff --git a/htdocs/lib/databases/mysql.lib.php b/htdocs/lib/databases/mysql.lib.php
index e85e94915a7..3f0b28f4c77 100644
--- a/htdocs/lib/databases/mysql.lib.php
+++ b/htdocs/lib/databases/mysql.lib.php
@@ -694,10 +694,11 @@ class DoliDb
 	//---------------------------------------------------------------
 
 	/**
-	 *	\brief          Encrypt sensitive data in database
-	 *	\param	        fieldorvalue	Field name or value to encrypt
-	 * 	\param			withQuotes		Return string with quotes
-	 * 	\return	        return			XXX(field) or XXX('value') or field or 'value'
+     *  Encrypt sensitive data in database
+     *  Warning: This function includes the escape, so it must use direct value
+     *  @param          fieldorvalue    Field name or value to encrypt
+     *  @param          withQuotes      Return string with quotes
+     *  @return         return          XXX(field) or XXX('value') or field or 'value'
 	 */
 	function encrypt($fieldorvalue, $withQuotes=0)
 	{
@@ -709,7 +710,7 @@ class DoliDb
 		//Encryption key
 		$cryptKey = (!empty($conf->db->dolibarr_main_db_cryptkey)?$conf->db->dolibarr_main_db_cryptkey:'');
 
-		$return = ($withQuotes?"'":"").addslashes($fieldorvalue).($withQuotes?"'":"");
+		$return = ($withQuotes?"'":"").$this->escape($fieldorvalue).($withQuotes?"'":"");
 
 		if ($cryptType && !empty($cryptKey))
 		{
diff --git a/htdocs/lib/databases/mysqli.lib.php b/htdocs/lib/databases/mysqli.lib.php
index 661e8dcc99e..4cfcb534e5b 100644
--- a/htdocs/lib/databases/mysqli.lib.php
+++ b/htdocs/lib/databases/mysqli.lib.php
@@ -703,10 +703,12 @@ class DoliDb
 	}
 
 	/**
-	 *	\brief          Encrypt sensitive data in database
-	 *	\param	        fieldorvalue	Field name or value to encrypt
-	 * 	\param			withQuotes		Return string with quotes
-	 * 	\return	        return			XXX(field) or XXX('value') or field or 'value'
+	 *	Encrypt sensitive data in database
+	 *  Warning: This function includes the escape, so it must use direct value
+	 *	@param	        fieldorvalue	Field name or value to encrypt
+	 * 	@param			withQuotes		Return string with quotes
+	 * 	@return	        return			XXX(field) or XXX('value') or field or 'value'
+	 *
 	 */
 	function encrypt($fieldorvalue, $withQuotes=0)
 	{
@@ -718,7 +720,7 @@ class DoliDb
 		//Encryption key
 		$cryptKey = (!empty($conf->db->dolibarr_main_db_cryptkey)?$conf->db->dolibarr_main_db_cryptkey:'');
 
-		$return = ($withQuotes?"'":"").addslashes($fieldorvalue).($withQuotes?"'":"");
+		$return = ($withQuotes?"'":"").$this->escape($fieldorvalue).($withQuotes?"'":"");
 
 		if ($cryptType && !empty($cryptKey))
 		{
diff --git a/htdocs/lib/databases/pgsql.lib.php b/htdocs/lib/databases/pgsql.lib.php
index 9f783dda4fc..9ad226662fe 100644
--- a/htdocs/lib/databases/pgsql.lib.php
+++ b/htdocs/lib/databases/pgsql.lib.php
@@ -831,10 +831,11 @@ class DoliDb
 	}
 
 	/**
-	 *	\brief          Encrypt sensitive data in database
-	 *	\param	        fieldorvalue	Field name or value to encrypt
-	 * 	\param			withQuotes		Return string with quotes
-	 * 	\return	        return			XXX(field) or XXX('value') or field or 'value'
+     *  Encrypt sensitive data in database
+     *  Warning: This function includes the escape, so it must use direct value
+     *  @param          fieldorvalue    Field name or value to encrypt
+     *  @param          withQuotes      Return string with quotes
+     *  @return         return          XXX(field) or XXX('value') or field or 'value'
 	 */
 	function encrypt($fieldorvalue, $withQuotes=0)
 	{
@@ -847,7 +848,7 @@ class DoliDb
 		$cryptKey = (!empty($conf->db->dolibarr_main_db_cryptkey)?$conf->db->dolibarr_main_db_cryptkey:'');
 
 		$return = $fieldorvalue;
-		return ($withQuotes?"'":"").$return.($withQuotes?"'":"");
+		return ($withQuotes?"'":"").$this->escape($return).($withQuotes?"'":"");
 	}