diff --git a/src/backend/executor/nodeModifyTable.c b/src/backend/executor/nodeModifyTable.c
index dabaea9..f724681 100644
--- a/src/backend/executor/nodeModifyTable.c
+++ b/src/backend/executor/nodeModifyTable.c
@@ -1182,7 +1182,7 @@ ExecOnConflictUpdate(ModifyTableState *mtstate,
 	ExecProject(resultRelInfo->ri_onConflictSetProj, NULL);
 
 	/* Execute UPDATE with projection */
-	*returning = ExecUpdate(&tuple.t_data->t_ctid, NULL,
+	*returning = ExecUpdate(&tuple.t_data->t_ctid, &tuple,
 							mtstate->mt_conflproj, planSlot,
 							&mtstate->mt_epqstate, mtstate->ps.state,
 							canSetTag);