diff --git a/src/ui/diplodocusmethodology/DiplodocusMethodologyDiagramReference.java b/src/ui/diplodocusmethodology/DiplodocusMethodologyDiagramReference.java
index 45d6d937ea652980158cd5c0b20449f48e1e94dc..aacb5bb8f203861ab87318ba9f4c8cdc28c65896 100755
--- a/src/ui/diplodocusmethodology/DiplodocusMethodologyDiagramReference.java
+++ b/src/ui/diplodocusmethodology/DiplodocusMethodologyDiagramReference.java
@@ -375,7 +375,7 @@ public abstract class DiplodocusMethodologyDiagramReference extends TGCScalableW
         String s = e.getActionCommand();
 
         if (e.getSource() == diagramReference) {
-            addDiagramReference(null);
+            addDiagramReference(getTDiagramPanel().getMGUI().getFrame());
         }
 
         return true;