diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index b32aa8cca05..3f4ca3e5d05 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -5023,7 +5023,7 @@ abstract class CommonObject
 
             if (!$notrigger) {
                 // Call triggers
-                $result=$this->call_trigger(strtoupper(get_class(self)).'_CREATE',$user);
+                $result=$this->call_trigger(strtoupper(get_class($this)).'_CREATE',$user);
                 if ($result < 0) { $error++; }
                 // End call triggers
             }
@@ -5185,7 +5185,7 @@ abstract class CommonObject
 
 		if (! $error && ! $notrigger) {
 		    // Call triggers
-		    $result=$this->call_trigger(strtoupper(get_class(self)).'_MODIFY',$user);
+		    $result=$this->call_trigger(strtoupper(get_class($this)).'_MODIFY',$user);
 		    if ($result < 0) { $error++; } //Do also here what you must do to rollback action if trigger fail
 		    // End call triggers
 		}
@@ -5216,7 +5216,7 @@ abstract class CommonObject
 	    if (! $error) {
 	        if (! $notrigger) {
 	            // Call triggers
-	            $result=$this->call_trigger(strtoupper(get_class(self)).'_DELETE', $user);
+	            $result=$this->call_trigger(strtoupper(get_class($this)).'_DELETE', $user);
 	            if ($result < 0) { $error++; } // Do also here what you must do to rollback action if trigger fail
 	            // End call triggers
 	        }