diff --git a/imap_processing/lo/l1b/lo_l1b.py b/imap_processing/lo/l1b/lo_l1b.py
index 6cd1b1663..8089f845f 100644
--- a/imap_processing/lo/l1b/lo_l1b.py
+++ b/imap_processing/lo/l1b/lo_l1b.py
@@ -483,7 +483,7 @@ def set_esa_mode(
     # Get the sweep table rows that correspond to the time period of the pointing
     pointing_sweep_df = sweep_df[
         (sweep_df["GoodTime_start"] >= pointing_start_met)
-        & (sweep_df["GoodTime_start"] <= pointing_end_met)
+        & (sweep_df["GoodTime_end"] <= pointing_end_met)
     ]
 
     # Check that there is only one ESA mode in the sweep table for the pointing