diff --git a/webrtc/media/engine/webrtcvideoengine2.cc b/webrtc/media/engine/webrtcvideoengine2.cc
index f5682edfe6..f4b4b6f790 100644
--- a/webrtc/media/engine/webrtcvideoengine2.cc
+++ b/webrtc/media/engine/webrtcvideoengine2.cc
@@ -409,7 +409,7 @@ WebRtcVideoChannel2::WebRtcVideoSendStream::ConfigureVideoEncoderSettings(
       vp9_settings.numberOfSpatialLayers = GetDefaultVp9SpatialLayers();
     }
     // VP9 denoising is disabled by default.
-    vp9_settings.denoisingOn = codec_default_denoising ? false : denoising;
+    vp9_settings.denoisingOn = codec_default_denoising ? true : denoising;
     vp9_settings.frameDroppingOn = frame_dropping;
     return new rtc::RefCountedObject<
         webrtc::VideoEncoderConfig::Vp9EncoderSpecificSettings>(vp9_settings);
diff --git a/webrtc/media/engine/webrtcvideoengine2_unittest.cc b/webrtc/media/engine/webrtcvideoengine2_unittest.cc
index 47f912b196..395d6ed291 100644
--- a/webrtc/media/engine/webrtcvideoengine2_unittest.cc
+++ b/webrtc/media/engine/webrtcvideoengine2_unittest.cc
@@ -1971,8 +1971,8 @@ TEST_F(Vp9SettingsTest, VerifyVp9SpecificSettings) {
 
   webrtc::VideoCodecVP9 vp9_settings;
   ASSERT_TRUE(stream->GetVp9Settings(&vp9_settings)) << "No VP9 config set.";
-  EXPECT_FALSE(vp9_settings.denoisingOn)
-      << "VP9 denoising should be off by default.";
+  EXPECT_TRUE(vp9_settings.denoisingOn)
+      << "VP9 denoising should be on by default.";
 
   stream = SetDenoisingOption(last_ssrc_, &capturer, false);