diff --git a/backend/python/plugins/azuredevops/azuredevops/models.py b/backend/python/plugins/azuredevops/azuredevops/models.py
index 5c656afd15d..227da24f075 100644
--- a/backend/python/plugins/azuredevops/azuredevops/models.py
+++ b/backend/python/plugins/azuredevops/azuredevops/models.py
@@ -105,7 +105,7 @@ class BuildResult(Enum):
     start_time: Optional[datetime.datetime]
     finish_time: Optional[datetime.datetime]
     status: BuildStatus
-    result: BuildResult
+    result: Optional[BuildResult]
     source_branch: str
     source_version: str