diff --git a/openwrt/package/ppp/files/ifup.pppoe b/openwrt/package/ppp/files/ifup.pppoe
index dbf58c380f..2bec9c6fe0 100644
--- a/openwrt/package/ppp/files/ifup.pppoe
+++ b/openwrt/package/ppp/files/ifup.pppoe
@@ -15,7 +15,7 @@ for module in slhc ppp_generic pppox pppoe; do
 done
 
 while :; do
-	IFNAME=$(nvram get pppoe_ifname)
+	IFNAME=nic-$(nvram get pppoe_ifname)
 	USERNAME=$(nvram get ppp_username)
 	PASSWORD=$(nvram get ppp_passwd)
 	REDIAL=$(nvram get ppp_redialperiod)