diff --git a/arch/arm/mach-shmobile/board-kzm9d.c b/arch/arm/mach-shmobile/board-kzm9d.c
index c016ccd92433..4368000e1127 100644
--- a/arch/arm/mach-shmobile/board-kzm9d.c
+++ b/arch/arm/mach-shmobile/board-kzm9d.c
@@ -56,7 +56,7 @@ static struct smsc911x_platform_config smsc911x_platdata = {
 
 static struct platform_device smsc91x_device = {
 	.name	= "smsc911x",
-	.id	= 0,
+	.id	= -1,
 	.dev	= {
 		  .platform_data = &smsc911x_platdata,
 		},