diff -r 3f72b3a96508 Modules/mathmodule.c
--- a/Modules/mathmodule.c	Sat Oct 20 13:16:49 2012 +0100
+++ b/Modules/mathmodule.c	Wed Oct 24 11:46:41 2012 +0100
@@ -1381,14 +1381,14 @@
         Py_DECREF(outer);
         outer = tmp;
     }
-
-    goto done;
+    Py_DECREF(inner);
+    return outer;
 
   error:
     Py_DECREF(outer);
-  done:
     Py_DECREF(inner);
-    return outer;
+    return NULL;
+
 }
 
 /* Lookup table for small factorial values */