diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 16f097f58acc..04ea10b61bbb 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -8068,7 +8068,8 @@ static int btrfs_getattr(struct mnt_idmap *idmap,
 	stat->result_mask |= STATX_SUBVOL;
 
 	spin_lock(&BTRFS_I(inode)->lock);
-	delalloc_bytes = BTRFS_I(inode)->new_delalloc_bytes;
+	delalloc_bytes = S_ISREG(inode->i_mode) ?
+			 BTRFS_I(inode)->new_delalloc_bytes : 0;
 	inode_bytes = inode_get_bytes(inode);
 	spin_unlock(&BTRFS_I(inode)->lock);
 	stat->blocks = (ALIGN(inode_bytes, blocksize) +