diff --git a/src/southbridge/ricoh/rl5c476/rl5c476.c b/src/southbridge/ricoh/rl5c476/rl5c476.c
index 4d8b6e6..c94722c 100644
--- a/src/southbridge/ricoh/rl5c476/rl5c476.c
+++ b/src/southbridge/ricoh/rl5c476/rl5c476.c
@@ -200,8 +200,8 @@
 	/* Enable subsystem id register writes */
 	pci_write_config16(dev, 0x82, miscreg | 0x40);
 
-	pci_write_config16(dev, 0x40, vendor);
-	pci_write_config16(dev, 0x42, device);
+	pci_dev_set_subsystem(dev, vendor, device);
+
 	/* restore original contents */
 	pci_write_config16(dev, 0x82, miscreg);
 }