diff --git a/sound/sh/aica.c b/sound/sh/aica.c
index 078fc7fc08f9..04f80c8c89c0 100644
--- a/sound/sh/aica.c
+++ b/sound/sh/aica.c
@@ -94,7 +94,7 @@ static void spu_memset(u32 toi, u32 what, int length)
 		local_irq_save(flags);
 		writel(what, toi + SPU_MEMORY_BASE);
 		local_irq_restore(flags);
-		toi++;
+		toi += sizeof(what);
 	}
 }