diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 4801cea6badd..c4ac3142c0d7 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -3510,6 +3510,8 @@ static int ext4_mb_init_backend(struct super_block *sb)
 	 * this will avoid confusion if it ever shows up during debugging. */
 	sbi->s_buddy_cache->i_ino = EXT4_BAD_INO;
 	EXT4_I(sbi->s_buddy_cache)->i_disksize = 0;
+	ext4_set_inode_mapping_order(sbi->s_buddy_cache);
+
 	for (i = 0; i < ngroups; i++) {
 		cond_resched();
 		desc = ext4_get_group_desc(sb, i, NULL);