diff --git a/weboob/tools/config/yamlconfig.py b/weboob/tools/config/yamlconfig.py
index 46c79c285d3dbeed3c8cfe805f860c65871e8283..2f5916426b118914a39a7f4054617793d3955435 100644
--- a/weboob/tools/config/yamlconfig.py
+++ b/weboob/tools/config/yamlconfig.py
@@ -43,6 +43,11 @@ class WeboobDumper(Dumper):
     pass
 
 
+class WeboobNoAliasDumper(WeboobDumper):
+    def ignore_aliases(self, data):
+        return True
+
+
 WeboobDumper.add_representer(weboob.tools.date.date,
                              WeboobDumper.represent_date)