diff --git a/common_task.py b/common_task.py
index 3ce2a17..c429e47 100644
--- a/common_task.py
+++ b/common_task.py
@@ -63,6 +63,8 @@ def do_the_difference(today_file, last_file, column_for_diff, fresh_output, expi
         child_df_copy['jobId'] = 'i_' + child_df_copy['jobId'].astype(str)
         expired_df['jobId'] = expired_df['jobId'].astype(str)
         expired_df = pd.concat([expired_df, child_df_copy], ignore_index=True)
+        expired_df = expired_df.rename(columns={'jobId': 'Job Key'})
+
 
     expired_df.to_csv(expired_output, index=False)
     print(new_df.shape, expired_df.shape)