diff --git a/transport/Android.bp b/transport/Android.bp
index a5903e0..9dc54b4 100644
--- a/transport/Android.bp
+++ b/transport/Android.bp
@@ -55,6 +55,7 @@
     srcs: [
         "HidlBinderSupport.cpp",
         "HidlPassthroughSupport.cpp",
+        "LegacySupport.cpp",
         "ServiceManagement.cpp",
         "Static.cpp"
     ],