diff --git a/test/specs.py b/test/specs.py
index 8749a025e..f8a4e491b 100644
--- a/test/specs.py
+++ b/test/specs.py
@@ -160,8 +160,8 @@ def build_index_specs():
     IndexTestSpec(url_for('registry.put_image_json', image_id=FAKE_IMAGE_ID),
                   ORG_REPO, 403, 403, 403, 400).set_method('PUT'),
 
-    IndexTestSpec(url_for('index.create_user'), NO_REPO, 201, 201, 201,
-                  201).set_method('POST').set_data_from_obj(NEW_USER_DETAILS),
+    IndexTestSpec(url_for('index.create_user'), NO_REPO, 400, 400, 400,
+                  400).set_method('POST').set_data_from_obj(NEW_USER_DETAILS),
 
     IndexTestSpec(url_for('index.get_user'), NO_REPO, 404, 200, 200, 200),