diff --git a/fs/ext2/dev.c b/fs/ext2/dev.c
index 78851d0a5d098cd8d25e2e101bfa713cfe1429d0..874e21161e69cca9e6f39e7e57b29b0a21f33dd6 100644
--- a/fs/ext2/dev.c
+++ b/fs/ext2/dev.c
@@ -52,7 +52,7 @@ int ext2fs_set_blk_dev(block_dev_desc_t *rbdd, int part)
 
 int ext2fs_devread(int sector, int byte_offset, int byte_len, char *buf)
 {
-	char sec_buf[SECTOR_SIZE];
+	ALLOC_CACHE_ALIGN_BUFFER(char, sec_buf, SECTOR_SIZE);
 	unsigned sectors;
 
 	/*