diff --git a/api/transport/BUILD.gn b/api/transport/BUILD.gn
index c06234e612..c1fa928782 100644
--- a/api/transport/BUILD.gn
+++ b/api/transport/BUILD.gn
@@ -123,6 +123,7 @@ if (rtc_include_tests) {
   rtc_source_set("test_feedback_generator_interface") {
     testonly = true
     sources = [ "test/feedback_generator_interface.h" ]
+    visibility = [ "*" ]
     deps = [
       ":network_control",
       "..:simulated_network_api",