diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 20f67a260df5..7d88f76070be 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -4283,7 +4283,7 @@ ext4_mb_normalize_request(struct ext4_allocation_context *ac,
 		start_off = ((loff_t)ac->ac_o_ex.fe_logical >>
 							(22 - bsbits)) << 22;
 		size = 4 * 1024 * 1024;
-	} else if (NRL_CHECK_SIZE(ac->ac_o_ex.fe_len,
+	} else if (NRL_CHECK_SIZE(EXT4_C2B(sbi, ac->ac_o_ex.fe_len),
 					(8<<20)>>bsbits, max, 8 * 1024)) {
 		start_off = ((loff_t)ac->ac_o_ex.fe_logical >>
 							(23 - bsbits)) << 23;