diff --git a/safe_transaction_service/history/indexers/tx_processor.py b/safe_transaction_service/history/indexers/tx_processor.py
index 156fd1385..4fac1305e 100644
--- a/safe_transaction_service/history/indexers/tx_processor.py
+++ b/safe_transaction_service/history/indexers/tx_processor.py
@@ -603,7 +603,7 @@ def __process_decoded_transaction(
                 SafeRelevantTransaction.objects.get_or_create(
                     ethereum_tx=ethereum_tx,
                     safe=contract_address,
-                    defaults={"timestamp": ethereum_tx.created},
+                    defaults={"timestamp": internal_tx.timestamp},
                 )
                 # Detect 4337 UserOperations in this transaction
                 number_detected_user_operations = (
@@ -722,7 +722,7 @@ def __process_decoded_transaction(
                 SafeRelevantTransaction.objects.get_or_create(
                     ethereum_tx=ethereum_tx,
                     safe=contract_address,
-                    defaults={"timestamp": ethereum_tx.created},
+                    defaults={"timestamp": internal_tx.timestamp},
                 )
 
                 # Don't modify created