diff --git a/gtk2_ardour/editor.cc b/gtk2_ardour/editor.cc
index b86469bd2d..08ccd45ab7 100644
--- a/gtk2_ardour/editor.cc
+++ b/gtk2_ardour/editor.cc
@@ -1036,13 +1036,17 @@ Editor::access_action (std::string action_group, std::string action_item)
 		return;
 	}
 
+	ENSURE_GUI_THREAD (bind (mem_fun (*this, &Editor::access_action), action_group, action_item));
+
 	cout<< "OSC: Recieved: "<< action_item << endl;
 
 	RefPtr<Action> act;
 	act = ActionManager::get_action( action_group.c_str(), action_item.c_str() );
 
-	if( act )
+	if (act) {
 		act->activate();
+	}
+		
 
 }