diff --git a/VERSION b/VERSION
index 8e24ad95..58e8cabc 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-Version 2.2.1 (2012-11-05 12:39:09) stable
+Version 2.2.1 (2012-11-06 09:46:56) stable
diff --git a/gluon/custom_import.py b/gluon/custom_import.py
index 19d7703a..0233e331 100644
--- a/gluon/custom_import.py
+++ b/gluon/custom_import.py
@@ -16,7 +16,7 @@ INVALID_MODULES = set(('', 'gluon', 'applications', 'custom_import'))
 
 
 def custom_import_install():
-    if __builtin__.__import__ != custom_importer:
+    if __builtin__.__import__ == NATIVE_IMPORTER:
         INVALID_MODULES.update(sys.modules.keys())
         __builtin__.__import__ = custom_importer