diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index 3d1756b61162..ad433b7ca919 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -5006,6 +5006,12 @@ static int do_remap_reloc_trans(struct btrfs_fs_info *fs_info,
 		return ret;
 	}
 
+	if (ins.offset < remap_length) {
+		spin_lock(&sinfo->lock);
+		btrfs_space_info_update_bytes_may_use(sinfo, ins.offset - remap_length);
+		spin_unlock(&sinfo->lock);
+	}
+
 	made_reservation = true;
 
 	new_addr = ins.objectid;