postgres
diff --git a/‎src/backend/access/heap/heapam.c
Copy file name to clipboardExpand all lines: src/backend/access/heap/heapam.c
+2-1Lines changed: 2 additions & 1 deletion b/‎src/backend/access/heap/heapam.c
Copy file name to clipboardExpand all lines: src/backend/access/heap/heapam.c
+2-1Lines changed: 2 additions & 1 deletion
@@ -3900,7 +3900,8 @@ heap_update(Relation relation, ItemPointer otid, HeapTuple newtup,
 	 * 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