diff --git a/dataset.py b/dataset.py
index a1f1a52..1ac29ba 100644
--- a/dataset.py
+++ b/dataset.py
@@ -12,7 +12,7 @@ class Metadata:
     repo: str # the name of the repo, with style XXX/YYY 
     pr_number: int
     merge_commit_sha: str # to checkout for the tests
-    successful: bool
+    successful: bool = True
     reason_for_failure: str = ""
     last_cmd_error_msg: str = ""