diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 4c6ede354774..5d6a0ca899b2 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1468,6 +1468,8 @@ bool f2fs_wait_discard_bios(struct f2fs_sb_info *sbi)
 
 	/* just to make sure there is no pending discard commands */
 	__wait_all_discard_cmd(sbi, NULL);
+
+	f2fs_bug_on(sbi, atomic_read(&dcc->discard_cmd_cnt));
 	return dropped;
 }