diff --git a/weboob/tools/config/yamlconfig.py b/weboob/tools/config/yamlconfig.py
index 31ad986d..f859e922 100644
--- a/weboob/tools/config/yamlconfig.py
+++ b/weboob/tools/config/yamlconfig.py
@@ -79,8 +79,7 @@ class YamlConfig(IConfig):
         try:
             v = v[args[-1]]
         except KeyError:
-            v[args[-1]] = default
-            v = v[args[-1]]
+            v = default
 
         return v