diff --git a/src/constantinople_lab_to_nwb/schierek_embargo_2024/interfaces/schierek_embargo_2024_processedbehaviorinterface.py b/src/constantinople_lab_to_nwb/schierek_embargo_2024/interfaces/schierek_embargo_2024_processedbehaviorinterface.py
index 2ae51db..2513549 100644
--- a/src/constantinople_lab_to_nwb/schierek_embargo_2024/interfaces/schierek_embargo_2024_processedbehaviorinterface.py
+++ b/src/constantinople_lab_to_nwb/schierek_embargo_2024/interfaces/schierek_embargo_2024_processedbehaviorinterface.py
@@ -2,6 +2,7 @@
 
 from pathlib import Path
 from typing import Optional, Union
+from warnings import warn
 
 import numpy as np
 from ndx_structured_behavior.utils import loadmat
@@ -113,16 +114,25 @@ def add_to_nwbfile(
         if nwbfile.trials is None:
             assert trial_start_times is not None, "'trial_start_times' must be provided if trials table is not added."
             assert trial_stop_times is not None, "'trial_stop_times' must be provided if trials table is not added."
-            assert (
-                len(trial_start_times) == num_trials
-            ), f"Length of 'trial_start_times' ({len(trial_start_times)}) must match the number of trials ({num_trials})."
-            assert (
-                len(trial_stop_times) == num_trials
-            ), f"Length of 'trial_stop_times' ({len(trial_stop_times)}) must match the number of trials ({num_trials})."
         else:
             trial_start_times = nwbfile.trials["start_time"][:]
             trial_stop_times = nwbfile.trials["stop_time"][:]
 
+            if len(trial_start_times) > num_trials:
+                warn(
+                    f"The length of 'trial_start_times' ({len(trial_start_times)}) from Bpod doesn't match the number "
+                    f"of trials ({num_trials}) in '{self.default_struct_name}' struct data."
+                )
+                trial_start_times = trial_start_times[:num_trials]
+                trial_stop_times = trial_stop_times[:num_trials]
+
+        assert (
+            len(trial_start_times) == num_trials
+        ), f"Length of 'trial_start_times' ({len(trial_start_times)}) must match the number of trials ({num_trials})."
+        assert (
+            len(trial_stop_times) == num_trials
+        ), f"Length of 'trial_stop_times' ({len(trial_stop_times)}) must match the number of trials ({num_trials})."
+
         for start_time, stop_time in zip(trial_start_times, trial_stop_times):
             trials_table.add_row(
                 start_time=start_time,