diff --git a/source/frontend/patchcanvas/canvasport.py b/source/frontend/patchcanvas/canvasport.py
index 57e44b1fa..143b891ea 100644
--- a/source/frontend/patchcanvas/canvasport.py
+++ b/source/frontend/patchcanvas/canvasport.py
@@ -332,7 +332,7 @@ class CanvasPort(QGraphicsItem):
     def triggerDisconnect(self, conn_list=None):
         if not conn_list:
             conn_list = CanvasGetPortConnectionList(self.m_group_id, self.m_port_id)
-        for conn_id, in conn_list:
+        for conn_id, group_id, port_id in conn_list:
             canvas.callback(ACTION_PORTS_DISCONNECT, conn_id, 0, "")
 
     def boundingRect(self):