diff --git a/src/backend/access/heap/heapam.c b/src/backend/access/heap/heapam.c
index e13f0a8610..7b2c19b468 100644
--- a/src/backend/access/heap/heapam.c
+++ b/src/backend/access/heap/heapam.c
@@ -3561,7 +3561,8 @@ l2:
 	 * will include checking the relation level, there is no benefit to a
 	 * separate check for the new tuple.
 	 */
-	CheckForSerializableConflictIn(relation, otid, BufferGetBlockNumber(buffer));
+	CheckForSerializableConflictIn(relation, &oldtup.t_self,
+								   BufferGetBlockNumber(buffer));
 
 	/*
 	 * At this point newbuf and buffer are both pinned and locked, and newbuf