diff --git a/src/backend/access/hash/hashpage.c b/src/backend/access/hash/hashpage.c
index bbf98de35ac..53adfec4fd8 100644
--- a/src/backend/access/hash/hashpage.c
+++ b/src/backend/access/hash/hashpage.c
@@ -1036,6 +1036,7 @@ _hash_alloc_buckets(Relation rel, BlockNumber firstblock, uint32 nblocks)
 					true);
 
 	RelationOpenSmgr(rel);
+	PageSetChecksumInplace(page, lastblock);
 	smgrextend(rel->rd_smgr, MAIN_FORKNUM, lastblock, zerobuf.data, false);
 
 	return true;