diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 07111455eecff..7603cddce4cb4 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -1507,7 +1507,7 @@ static int read_from_bdev(struct zram *zram, struct page *page, u32 index,
 {
 	atomic64_inc(&zram->stats.bd_reads);
 	if (!parent) {
-		if (WARN_ON_ONCE(!IS_ENABLED(ZRAM_PARTIAL_IO)))
+		if (WARN_ON_ONCE(!IS_ENABLED(CONFIG_ZRAM_PARTIAL_IO)))
 			return -EIO;
 		return read_from_bdev_sync(zram, page, index, blk_idx);
 	}