diff --git a/frappyman.py b/frappyman.py
index 8837205..d5ea428 100644
--- a/frappyman.py
+++ b/frappyman.py
@@ -325,5 +325,5 @@ class FrappyManager(ServiceManager):
 
             if len(seacfgs) > 2:
                 addons = set(cfgs.get('addons').split(','))
-                check_cfg('addons', '.addons', set(addons), set(seacfgs[2:]))
+                check_cfg('addons', '.addon', set(addons), set(seacfgs[2:]))
         return guess