diff --git a/src/caosdb/common/models.py b/src/caosdb/common/models.py
index 2eae56bb669e01480e68c4e92d4930ee970a8b96..1165ced5ea4371b1c33ec5843cc7a4d32fef249b 100644
--- a/src/caosdb/common/models.py
+++ b/src/caosdb/common/models.py
@@ -2604,7 +2604,7 @@ class Messages(list):
                 if msg.type == type and msg.code == code:
                     return msg
             else:
-                if self._hash(msg.t, msg.c) == self._hash(type, code):
+                if self._hash(msg.type, msg.code) == self._hash(type, code):
                     return msg
 
         return default