diff --git a/test/pc/e2e/api/peerconnection_quality_test_fixture.h b/test/pc/e2e/api/peerconnection_quality_test_fixture.h
index 2191ceeede..705c940ab7 100644
--- a/test/pc/e2e/api/peerconnection_quality_test_fixture.h
+++ b/test/pc/e2e/api/peerconnection_quality_test_fixture.h
@@ -112,9 +112,12 @@ class PeerConnectionE2EQualityTestFixture {
 
   // Contains properties of single video stream.
   struct VideoConfig {
-    size_t width;
-    size_t height;
-    int32_t fps;
+    VideoConfig(size_t width, size_t height, int32_t fps)
+        : width(width), height(height), fps(fps) {}
+
+    const size_t width;
+    const size_t height;
+    const int32_t fps;
     // Have to be unique among all specified configs for all peers in the call.
     // Will be auto generated if omitted.
     absl::optional<std::string> stream_label;
diff --git a/test/pc/e2e/peer_connection_e2e_smoke_test.cc b/test/pc/e2e/peer_connection_e2e_smoke_test.cc
index 616c8638d5..129f0c3467 100644
--- a/test/pc/e2e/peer_connection_e2e_smoke_test.cc
+++ b/test/pc/e2e/peer_connection_e2e_smoke_test.cc
@@ -61,10 +61,7 @@ TEST(PeerConnectionE2EQualityTestSmokeTest, RunWithEmulatedNetwork) {
       PeerConnectionE2EQualityTestFixture::InjectableComponents;
 
   auto alice_params = absl::make_unique<Params>();
-  VideoConfig alice_video_config;
-  alice_video_config.width = 1280;
-  alice_video_config.height = 720;
-  alice_video_config.fps = 30;
+  VideoConfig alice_video_config(1280, 720, 30);
   alice_video_config.stream_label = "alice-video";
   alice_video_config.generator = VideoGeneratorType::kDefault;
 
@@ -74,10 +71,7 @@ TEST(PeerConnectionE2EQualityTestSmokeTest, RunWithEmulatedNetwork) {
   alice_params->audio_config->audio_options = cricket::AudioOptions();
 
   auto bob_params = absl::make_unique<Params>();
-  VideoConfig bob_video_config;
-  bob_video_config.width = 1280;
-  bob_video_config.height = 720;
-  bob_video_config.fps = 30;
+  VideoConfig bob_video_config(1280, 720, 30);
   bob_video_config.stream_label = "bob-video";
   bob_video_config.generator = VideoGeneratorType::kDefault;