diff --git a/bin/tools/translate.py b/bin/tools/translate.py
index 7e1a7ca08a8..e8ff793fa4a 100644
--- a/bin/tools/translate.py
+++ b/bin/tools/translate.py
@@ -59,7 +59,7 @@ class GettextAlias(object):
     def __call__(self, source):
         frame = inspect.stack()[1][0]
         cr = frame.f_locals.get('cr')
-        lang = frame.f_locals.get('context', {}).get('lang', False)
+        lang = (frame.f_locals.get('context') or {}).get('lang', False)
         if not (lang and cr):
             return source