diff --git a/tools/submission/generate_final_report.py b/tools/submission/generate_final_report.py
index 96535aa9d..f4ae4eeb0 100644
--- a/tools/submission/generate_final_report.py
+++ b/tools/submission/generate_final_report.py
@@ -224,7 +224,7 @@ def MakeUniqueID(x):
                 bg_format,
         })
 
-  writer.save()
+  writer.close()
 
   return 0