diff --git a/gajim/chat_control.py b/gajim/chat_control.py
index 13b6d893f9f674af50d17a01366478cccff14819..36dea2c60071ee3ec88a006d4231254064a98505 100644
--- a/gajim/chat_control.py
+++ b/gajim/chat_control.py
@@ -623,7 +623,7 @@ def _on_message_sent(self, event):
         message_id = event.message_id
 
         if event.label:
-            displaymarking = event.label.getTag('displaymarking')
+            displaymarking = event.label.displaymarking
         else:
             displaymarking = None
         if self.correcting: