diff --git a/pagure/ui/app.py b/pagure/ui/app.py
index 71877a2..b688dd6 100644
--- a/pagure/ui/app.py
+++ b/pagure/ui/app.py
@@ -364,7 +364,8 @@ def new_project():
     user = pagure.lib.search_user(SESSION, username=flask.g.fas_user.username)
 
     if not pagure.APP.config.get('ENABLE_NEW_PROJECTS', True):
-        flask.abort(404)
+        flask.abort(404, 'Creation of new project is not allowed on this \
+                pagure instance')
 
     form = pagure.forms.ProjectForm()
     if form.validate_on_submit():