diff --git a/fs/fat/fat_write.c b/fs/fat/fat_write.c
index af828d0..5ed324c 100644
--- a/fs/fat/fat_write.c
+++ b/fs/fat/fat_write.c
@@ -41,8 +41,7 @@
 		return -1;
 	}
 
-	ret = cur_dev->block_write(cur_dev->dev,
-				   cur_part_info.start + block,
+	ret = cur_dev->block_write(cur_dev, cur_part_info.start + block,
 				   nr_blocks, buf);
 	if (nr_blocks && ret == 0)
 		return -1;