diff --git a/examples/common/external_platform/BUILD.gn b/examples/common/external_platform/BUILD.gn
index a1c2d4119..544815899 100644
--- a/examples/common/external_platform/BUILD.gn
+++ b/examples/common/external_platform/BUILD.gn
@@ -98,6 +98,10 @@ static_library("ESP32_custom") {
     "bluedroid/BLEManagerImpl.cpp",
     "nimble/BLEManagerImpl.cpp",
     "ConnectivityManagerImpl_WiFi.cpp",
+    "route_hook/ESP32RouteHook.c",
+    "route_hook/ESP32RouteHook.h",
+    "route_hook/ESP32RouteTable.c",
+    "route_hook/ESP32RouteTable.h",
   ]
 
   deps = [