diff --git a/src/algorithm/report.py b/src/algorithm/report.py
index 47eadf3..c50fa0a 100644
--- a/src/algorithm/report.py
+++ b/src/algorithm/report.py
@@ -36,6 +36,7 @@ def set_success(self, data: anndata.AnnData):
 
     def set_failure(self, cause: t.Any):
         self.status = Status.FAILURE
+        self.data = anndata.AnnData()
         self.failure_cause = cause
         return self