diff --git a/client/dictionaries/mfc_default_keys.dic b/client/dictionaries/mfc_default_keys.dic
index 405f0d6f0..b3dfbd128 100644
--- a/client/dictionaries/mfc_default_keys.dic
+++ b/client/dictionaries/mfc_default_keys.dic
@@ -1105,3 +1105,6 @@ fe04ecfe5577
 # comfort inn hotel
 4d57414c5648
 4d48414c5648
+# 
+# unknown hotel key
+6d9b485a4845