diff --git a/core/relay.py b/core/relay.py
index f121110..68aa5c5 100644
--- a/core/relay.py
+++ b/core/relay.py
@@ -78,7 +78,7 @@ class Relay(Protocol):
             if not i in self.subscriptions:
                 self.sendErr("NOTSUBSCRIBED")
                 return
-        del self.subscriptions[i]
+            del self.subscriptions[i]
         self.sendMsg({"type": "success"})
         return