diff --git a/listeners/carddb.py b/listeners/carddb.py
index 708cc48..a6dd9c3 100644
--- a/listeners/carddb.py
+++ b/listeners/carddb.py
@@ -9,7 +9,7 @@ def __init__(self, filename):
     def nickForCard(self, card_serial):
         self.maybeRefresh()
         for entry in self.db:
-            if card_serial in entry['cards']:
+            if card_serial in entry['cards'] and entry['subscribed'] == True:
                 return entry['nick']
         return None