diff --git a/fs/btrfs/block-group.c b/fs/btrfs/block-group.c
index deebc8ddbd93..4b69945755e4 100644
--- a/fs/btrfs/block-group.c
+++ b/fs/btrfs/block-group.c
@@ -1616,7 +1616,8 @@ void btrfs_reclaim_bgs_work(struct work_struct *work)
 
 		btrfs_info(fs_info,
 			"reclaiming chunk %llu with %llu%% used %llu%% unusable",
-				bg->start, div_u64(bg->used * 100, bg->length),
+				bg->start,
+				div64_u64(bg->used * 100, bg->length),
 				div64_u64(zone_unusable * 100, bg->length));
 		trace_btrfs_reclaim_block_group(bg);
 		ret = btrfs_relocate_chunk(fs_info, bg->start);