diff --git a/llarp/handlers/tun.hpp b/llarp/handlers/tun.hpp
index a11faaa36..22bbcf7fe 100644
--- a/llarp/handlers/tun.hpp
+++ b/llarp/handlers/tun.hpp
@@ -80,7 +80,7 @@ namespace llarp
 
       /// get the local interface's address
       huint32_t
-      GetIfAddr() const;
+      GetIfAddr() const override;
 
       bool
       HasLocalIP(const huint32_t& ip) const;