--- a/src/pyams_i18n/interfaces/__init__.py	Mon Jun 11 16:06:48 2018 +0200
+++ b/src/pyams_i18n/interfaces/__init__.py	Wed Jun 13 12:30:28 2018 +0200
@@ -105,5 +105,5 @@
     def get_attribute(self, attribute, lang=None, request=None, default=None):
         """Get attribute in given language"""
 
-    def query_attribute(self, attribute, request=None):
+    def query_attribute(self, attribute, lang=None, request=None):
         """Query attribute in given language"""