diff --git a/pagure/lib/__init__.py b/pagure/lib/__init__.py
index 74398cf..c84d04b 100644
--- a/pagure/lib/__init__.py
+++ b/pagure/lib/__init__.py
@@ -1000,7 +1000,7 @@ def new_project(session, user, name, blacklist, allowed_prefix,
             'of a group that you are part of.'
         )
 
-    if len(second_part) == 40 and not prevent_40_chars:
+    if len(second_part) == 40 and prevent_40_chars:
         # We must block project with a name <foo>/<bar> where the length
         # of <bar> is exactly 40 characters long as this would otherwise
         # conflict with the old URL schema used for commit that was
diff --git a/tests/test_pagure_lib.py b/tests/test_pagure_lib.py
index c0037df..f233651 100644
--- a/tests/test_pagure_lib.py
+++ b/tests/test_pagure_lib.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 
 """
- (c) 2015 - Copyright Red Hat Inc
+ (c) 2015-2016 - Copyright Red Hat Inc
 
  Authors:
    Pierre-Yves Chibon <pingou@pingoured.fr>
@@ -764,6 +764,7 @@ class PagureLibtests(tests.Modeltests):
             requestfolder=requestfolder,
             description='description for 40 chars length project',
             parent_id=None,
+            prevent_40_chars=True,
         )
 
         # Create a new project
@@ -902,7 +903,6 @@ class PagureLibtests(tests.Modeltests):
             requestfolder=requestfolder,
             description='description for 40 chars length project',
             parent_id=None,
-            prevent_40_chars=True,
         )
         self.session.commit()
         self.assertEqual(