diff --git a/htdocs/comm/action/class/actioncomm.class.php b/htdocs/comm/action/class/actioncomm.class.php
index d9f2d7b6541..10fcc6c0173 100644
--- a/htdocs/comm/action/class/actioncomm.class.php
+++ b/htdocs/comm/action/class/actioncomm.class.php
@@ -218,7 +218,7 @@ class ActionComm extends CommonObject
         	$this->userassigned[$tmpid]=array('id'=>$tmpid);
         }
 
-        if (is_object($this->contact) && $this->contact->id > 0 && ! ($this->contactid > 0)) $this->contactid = $this->contact->id;		// For backward compatibility. Using this->contact->xx is deprecated
+        if (is_object($this->contact) && isset($this->contact->id) && $this->contact->id > 0 && ! ($this->contactid > 0)) $this->contactid = $this->contact->id;		// For backward compatibility. Using this->contact->xx is deprecated
 
 
         $userownerid=$this->userownerid;