diff --git a/kernel/drive.asm b/kernel/drive.asm
index 628ecb3..8c3e66f 100644
--- a/kernel/drive.asm
+++ b/kernel/drive.asm
@@ -151,7 +151,7 @@ drive_read:	mov ax, 0x0201
 		int 0x13
 		ret
 
-drive_write:	mov ah, 0x0301
+drive_write:	mov ax, 0x0301
 		mov cx, [chs_cx]
 		mov dx, [chs_dx]
 		mov bx, diskbuf