diff --git a/src/packages/fff/fff-network/files/usr/sbin/configurenetwork b/src/packages/fff/fff-network/files/usr/sbin/configurenetwork
index c706242..f318d8e 100755
--- a/src/packages/fff/fff-network/files/usr/sbin/configurenetwork
+++ b/src/packages/fff/fff-network/files/usr/sbin/configurenetwork
@@ -220,8 +220,7 @@ else
 
     prefix="fdff:0::/64"
     # Set $prefix::MAC as IP
-    mac="$(cat "/sys/class/net/br-mesh/address")"
-    addr="$(ipMacAssemble "$prefix" "$mac")"
+    addr="$(ipMacAssemble "$prefix" "$ROUTERMAC")"
     ip -6 addr add $addr dev br-mesh
 
     uci -q del network.globals
@@ -236,7 +235,7 @@ else
     uci -q add_list network.mesh.ip6addr=$addr
 
     # Set $prefix::link-local as IP
-    addr="$(ipEUIAssemble "$prefix" "$mac")"
+    addr="$(ipEUIAssemble "$prefix" "$ROUTERMAC")"
     ip -6 addr add $addr dev br-mesh
     uci -q add_list network.mesh.ip6addr=$addr