diff --git a/main.cpp b/main.cpp
index 92d0950..f49d4c7 100644
--- a/main.cpp
+++ b/main.cpp
@@ -90,6 +90,11 @@
     selReservationValid = false;
 }
 
+EInterfaceIndex getInterfaceIndex(void)
+{
+    return interfaceLAN1;
+}
+
 int main()
 {
     /*