diff --git a/src/roster_window.py b/src/roster_window.py
index d6f95f10cdd5215e67906b228d7608aaf2c362de..06fb65a66351853e5a67db1bd41d18781fa01dbe 100644
--- a/src/roster_window.py
+++ b/src/roster_window.py
@@ -2688,7 +2688,7 @@ class RosterWindow:
     def _nec_decrypted_message_received(self, obj):
         if not obj.msgtxt: # empty message text
             return True
-        if obj.mtype not in ('norml', 'chat'):
+        if obj.mtype not in ('normal', 'chat'):
             return
         if obj.session.control:
             typ = ''