diff --git a/utils/info_md.py b/utils/info_md.py
index aac36360..cd9d292e 100755
--- a/utils/info_md.py
+++ b/utils/info_md.py
@@ -70,7 +70,7 @@ Keep the existing commit information.
     args = parser.parse_args()
 
     info_md_filename = os.path.join('database', 'Info.md')
-    assert os.path.exists(info_md_filename)
+    assert os.path.exists(info_md_filename), info_md_filename
 
     info_md = []