diff --git a/tools/questions2json.py b/tools/questions2json.py
index 5ab386f..d769dbb 100755
--- a/tools/questions2json.py
+++ b/tools/questions2json.py
@@ -237,6 +237,7 @@ def init_parser():
         help=("Use this file instead of the default "
               "questions.yaml"),
         metavar="FILE",
+        default="questions.yaml"
     )
 
     parser.add_option(