diff --git a/db.py b/db.py
index 2d88d2c..503d3c3 100644
--- a/db.py
+++ b/db.py
@@ -82,5 +82,5 @@ class DuckStats:
     def channels(self, nick):
         channels = set()
         for i in self.db.db:
-            if i.nick == nick: channels.append(i.channel)
+            if i.nick == nick: channels.add(i.channel)
         return len(channels)