diff --git a/include/asm-sh/macro.h b/include/asm-sh/macro.h
index 61f792a..2b273c3 100644
--- a/include/asm-sh/macro.h
+++ b/include/asm-sh/macro.h
@@ -29,7 +29,7 @@
 
 .macro	write16, addr, data
 	mov.l \addr ,r1
-	mov.l \data ,r0
+	mov.w \data ,r0
 	mov.w r0, @r1
 .endm