diff --git a/htdocs/categories/class/categorie.class.php b/htdocs/categories/class/categorie.class.php
index 0f28a8d1cde..044f3e68c0f 100644
--- a/htdocs/categories/class/categorie.class.php
+++ b/htdocs/categories/class/categorie.class.php
@@ -761,11 +761,9 @@ class Categorie extends CommonObject
 		dol_syslog(get_class($this).'::del_type', LOG_DEBUG);
 		if ($this->db->query($sql))
 		{
-			// Save object we want to unlink category off into category instance to provide information to trigger
-			$this->unlinkoff=$obj;
-
             // Call trigger
-            $result=$this->call_trigger('CATEGORY_UNLINK',$user);
+			$this->context=array('unlinkoff'=>$obj);	// Save object we want to link category to into category instance to provide information to trigger
+			$result=$this->call_trigger('CATEGORY_UNLINK',$user);
             if ($result < 0) { $error++; }
             // End call triggers
 
diff --git a/htdocs/core/triggers/interface_50_modMailmanspip_Mailmanspipsynchro.class.php b/htdocs/core/triggers/interface_50_modMailmanspip_Mailmanspipsynchro.class.php
index 44a6645a6d7..c5f704fdcb1 100644
--- a/htdocs/core/triggers/interface_50_modMailmanspip_Mailmanspipsynchro.class.php
+++ b/htdocs/core/triggers/interface_50_modMailmanspip_Mailmanspipsynchro.class.php
@@ -75,10 +75,10 @@ class InterfaceMailmanSpipsynchro extends DolibarrTriggers
         	dol_syslog("Trigger '".$this->name."' for action '$action' launched by ".__FILE__.". id=".$object->id);
 
         	// We remove subscription if we change category (lessw category may means less mailing-list to subscribe)
-        	if (is_object($object->unlinkoff) && method_exists($object->unlinkoff, 'del_to_abo') && $object->unlinkoff->del_to_abo() < 0)
+        	if (is_object($object->context['unlinkoff']) && method_exists($object->context['unlinkoff'], 'del_to_abo') && $object->context['unlinkoff']->del_to_abo() < 0)
         	{
-    			$this->error=$object->unlinkoff->error;
-        		$this->errors=$object->unlinkoff->errors;
+        		$this->error=$object->context['unlinkoff']->error;
+        		$this->errors=$object->context['unlinkoff']->errors;
         		$return=-1;
         	}
         	else