--- a/src/backend/storage/page/checksum.c
+++ b/src/backend/storage/page/checksum.c
@@ -84,7 +84,7 @@ check_one_block(Relation relation, ForkNumber forknum, BlockNumber blkno,
                 uint16 *chk_expected, uint16 *chk_found)
 {
     char        buffer[BLCKSZ];
-    bool        force_lock = false;
+    bool        force_lock = true;
     bool        found_in_sb;