diff --git a/src/backend/access/heap/heapam_handler.c b/src/backend/access/heap/heapam_handler.c
index 56b35622f1a..8f2e5379210 100644
--- a/src/backend/access/heap/heapam_handler.c
+++ b/src/backend/access/heap/heapam_handler.c
@@ -368,10 +368,11 @@ tuple_lock_retry:
 	if (result == TM_Updated &&
 		(flags & TUPLE_LOCK_FLAG_FIND_LAST_VERSION))
 	{
-		ReleaseBuffer(buffer);
 		/* Should not encounter speculative tuple on recheck */
 		Assert(!HeapTupleHeaderIsSpeculative(tuple->t_data));
 
+		ReleaseBuffer(buffer);
+
 		if (!ItemPointerEquals(&tmfd->ctid, &tuple->t_self))
 		{
 			SnapshotData SnapshotDirty;