diff --git a/django/utils/_threading_local.py b/django/utils/_threading_local.py
index 488de65900..9225d01e63 100644
--- a/django/utils/_threading_local.py
+++ b/django/utils/_threading_local.py
@@ -146,7 +146,7 @@ class _localbase(object):
         object.__setattr__(self, '_local__lock', RLock())
 
         if (args or kw) and (cls.__init__ is object.__init__):
-            raise TypeError("Initialization arguments are not supported)
+            raise TypeError("Initialization arguments are not supported")
 
         # We need to create the thread dict in anticipation of
         # __init__ being called, to make sure we don't call it