diff --git a/inventory_provider/__init__.py b/inventory_provider/__init__.py
index 97cb00a8654a6ac2688ac120296ce6359bd8c5f9..f96a6c4308ade150285ae551737299450b28e32e 100644
--- a/inventory_provider/__init__.py
+++ b/inventory_provider/__init__.py
@@ -23,7 +23,7 @@ def create_app():
         'environment variables %r must be defined' % required_env_vars
 
     assert os.path.isfile(os.environ['INVENTORY_PROVIDER_CONFIG_FILENAME']), (
-        'config file %r not found %r' %
+        'config file %r not found' %
         os.environ['INVENTORY_PROVIDER_CONFIG_FILENAME'])
 
     from inventory_provider import config