diff --git a/sdk/python/feast/feature_store.py b/sdk/python/feast/feature_store.py
index ea36820b93..41b27ce6dd 100644
--- a/sdk/python/feast/feature_store.py
+++ b/sdk/python/feast/feature_store.py
@@ -1472,6 +1472,7 @@ def _populate_result_rows_from_columnar(
         online_features_response: GetOnlineFeaturesResponse,
         data: Dict[str, List[Value]],
     ):
+        timestamp = Timestamp()  # Only initialize this timestamp once.
         # Add more values to the existing result rows
         for feature_name, feature_values in data.items():
             online_features_response.metadata.feature_names.val.append(feature_name)
@@ -1479,7 +1480,7 @@ def _populate_result_rows_from_columnar(
                 GetOnlineFeaturesResponse.FeatureVector(
                     values=feature_values,
                     statuses=[FieldStatus.PRESENT] * len(feature_values),
-                    event_timestamps=[Timestamp()] * len(feature_values),
+                    event_timestamps=[timestamp] * len(feature_values),
                 )
             )