diff --git a/client/dictionaries/mfc_default_keys.dic b/client/dictionaries/mfc_default_keys.dic
index 492ef91b5..752fa06b3 100644
--- a/client/dictionaries/mfc_default_keys.dic
+++ b/client/dictionaries/mfc_default_keys.dic
@@ -402,6 +402,9 @@ ABBA1234FCB0
 # karinca park nigde
 4E474434FFFF
 #
+# hotel system
+537930363139
+#
 # Data from https://github.com/RadioWar/NFCGUI
 44DD5A385AAF
 21A600056CB0