diff --git a/target/linux/rdc/base-files/lib/preinit/05_set_ether_mac_rdc b/target/linux/rdc/base-files/lib/preinit/05_set_ether_mac_rdc
index 1fe1109981..b672acaa38 100644
--- a/target/linux/rdc/base-files/lib/preinit/05_set_ether_mac_rdc
+++ b/target/linux/rdc/base-files/lib/preinit/05_set_ether_mac_rdc
@@ -4,6 +4,10 @@
 . /lib/functions/boot.sh
 
 r6040_module() {
+	insmod libphy
+	insmod swconfig
+	insmod ip175c
+	sleep 1
 	insmod r6040
 }