diff --git a/lbrynet/core/Error.py b/lbrynet/core/Error.py
index 7bade2561..1f9173730 100644
--- a/lbrynet/core/Error.py
+++ b/lbrynet/core/Error.py
@@ -28,7 +28,7 @@ class KeyFeeAboveMaxAllowed(Exception):
 
 class UnknownNameError(Exception):
     def __init__(self, name):
-        Exception.__init__('Name {} is unknown'.format(name))
+        Exception.__init__(self, 'Name {} is unknown'.format(name))
         self.name = name