diff --git a/deluge/component.py b/deluge/component.py
index c5c38fb33..c1d5b05d7 100644
--- a/deluge/component.py
+++ b/deluge/component.py
@@ -264,7 +264,7 @@ class ComponentRegistry(object):
                 raise KeyError("%s is not a registered component!" % names)
 
         for name in names:
-            if name is not in self.components:
+            if name not in self.components:
                 raise KeyError("%s is not a registered component!" % name)
 
         deferreds = []