diff --git a/fsck/mount.c b/fsck/mount.c
index 1d0df88..0e0c3f9 100644
--- a/fsck/mount.c
+++ b/fsck/mount.c
@@ -1248,7 +1248,7 @@ int get_valid_checkpoint(struct f2fs_sb_info *sbi)
 	int ret;
 
 	cp_payload = get_sb(cp_payload);
-	if (cp_payload > F2FS_BLK_ALIGN(MAX_SIT_BITMAP_SIZE))
+	if (cp_payload > F2FS_BLK_ALIGN(MAX_CP_PAYLOAD))
 		return -EINVAL;
 
 	cp_blks = 1 + cp_payload;
diff --git a/include/f2fs_fs.h b/include/f2fs_fs.h
index 333ae07..f890634 100644
--- a/include/f2fs_fs.h
+++ b/include/f2fs_fs.h
@@ -1168,6 +1168,10 @@ static_assert(sizeof(struct f2fs_nat_block) == 4095, "");
 #define MAX_SIT_BITMAP_SIZE    (SEG_ALIGN(SIZE_ALIGN(F2FS_MAX_SEGMENT, \
 						SIT_ENTRY_PER_BLOCK)) * \
 						c.blks_per_seg / 8)
+#define MAX_CP_PAYLOAD         (SEG_ALIGN(SIZE_ALIGN(UINT32_MAX, NAT_ENTRY_PER_BLOCK)) * \
+						DEFAULT_NAT_ENTRY_RATIO / 100 * \
+						c.blks_per_seg / 8 + \
+						MAX_SIT_BITMAP_SIZE - MAX_BITMAP_SIZE_IN_CKPT)
 
 /*
  * Note that f2fs_sit_entry->vblocks has the following bit-field information.