diff --git a/htdocs/societe/class/societe.class.php b/htdocs/societe/class/societe.class.php
index 93144e155c9..897fab2d676 100644
--- a/htdocs/societe/class/societe.class.php
+++ b/htdocs/societe/class/societe.class.php
@@ -1278,12 +1278,14 @@ class Societe extends CommonObject
     /**
      *    Delete a third party from database and all its dependencies (contacts, rib...)
      *
-     *    @param	int		$id     Id of third party to delete
+     *    @param	int		$id             Id of third party to delete
+     *    @param    User    $user           User who ask to delete thirparty
+     *    @param    int		$call_trigger   0=No, 1=yes
      *    @return	int				<0 if KO, 0 if nothing done, >0 if OK
      */
-    function delete($id)
+    function delete($id, $user='', $call_trigger=1)
     {
-        global $user, $langs, $conf;
+        global $langs, $conf;
 
         require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 
@@ -1298,10 +1300,14 @@ class Societe extends CommonObject
 		{
             $this->db->begin();
 
-            // Call trigger
-            $result=$this->call_trigger('COMPANY_DELETE',$user);
-            if ($result < 0) $error++;
-            // End call triggers
+            // User is mandatory for trigger call
+            if ($user && $call_trigger)
+            {
+                // Call trigger
+                $result=$this->call_trigger('COMPANY_DELETE',$user);
+                if ($result < 0) $error++;
+                // End call triggers
+            }
 
 			if (! $error)
 			{
diff --git a/htdocs/societe/soc.php b/htdocs/societe/soc.php
index 20ebdca3ba2..7ce537bd149 100644
--- a/htdocs/societe/soc.php
+++ b/htdocs/societe/soc.php
@@ -169,7 +169,7 @@ if (empty($reshook))
 
 				if (!$errors) {
 					//We finally remove the old thirdparty
-					if ($soc_origin->delete($soc_origin->id) < 1) {
+					if ($soc_origin->delete($soc_origin->id, $user) < 1) {
 						$db->rollback();
 						$errors++;
 					}
@@ -598,7 +598,7 @@ if (empty($reshook))
     if ($action == 'confirm_delete' && $confirm == 'yes' && $user->rights->societe->supprimer)
     {
         $object->fetch($socid);
-        $result = $object->delete($socid);
+        $result = $object->delete($socid, $user);
 
         if ($result > 0)
         {
diff --git a/test/phpunit/AdherentTest.php b/test/phpunit/AdherentTest.php
index 01424d81796..3a19b195b7c 100644
--- a/test/phpunit/AdherentTest.php
+++ b/test/phpunit/AdherentTest.php
@@ -416,7 +416,7 @@ class AdherentTest extends PHPUnit_Framework_TestCase
         $this->assertNull($localobject->fk_soc);
 
         //Now we remove the third party
-        $result = $thirdparty->delete($thirdparty->id);
+        $result = $thirdparty->delete($thirdparty->id,$user);
         $this->assertEquals($result, 1);
 
         return $localobject;
diff --git a/test/phpunit/SocieteTest.php b/test/phpunit/SocieteTest.php
index 34fdee385f7..8bcfb247365 100755
--- a/test/phpunit/SocieteTest.php
+++ b/test/phpunit/SocieteTest.php
@@ -365,7 +365,7 @@ class SocieteTest extends PHPUnit_Framework_TestCase
         $localobject=new Societe($this->savdb);
         $result=$localobject->fetch($id);
 
-        $result=$localobject->delete($id);
+        $result=$localobject->delete($id, $user);
         print __METHOD__." id=".$id." result=".$result."\n";
         $this->assertLessThan($result, 0);