diff --git a/quantum/manager.py b/quantum/manager.py
index 6ab46d5fef..e64df61e31 100644
--- a/quantum/manager.py
+++ b/quantum/manager.py
@@ -36,7 +36,7 @@ CONFIG_FILE = "plugins.ini"
 
 
 def find_config(basepath):
-    for root, files in os.walk(basepath):
+    for root, dirs, files in os.walk(basepath):
         if CONFIG_FILE in files:
             return os.path.join(root, CONFIG_FILE)
     return None