diff --git a/webrtc/common_audio/resampler/push_sinc_resampler.h b/webrtc/common_audio/resampler/push_sinc_resampler.h
index ae0f05865c..82b9045fce 100644
--- a/webrtc/common_audio/resampler/push_sinc_resampler.h
+++ b/webrtc/common_audio/resampler/push_sinc_resampler.h
@@ -37,7 +37,7 @@ class PushSincResampler : public SincResamplerCallback {
                int16_t* destination, int destination_capacity);
 
   // Implements SincResamplerCallback.
-  virtual void Run(int frames, float* destination);
+  virtual void Run(int frames, float* destination) OVERRIDE;
 
   SincResampler* get_resampler_for_testing() { return resampler_.get(); }
 
diff --git a/webrtc/common_audio/resampler/sinusoidal_linear_chirp_source.h b/webrtc/common_audio/resampler/sinusoidal_linear_chirp_source.h
index 9446343828..6a5cbf5c2b 100644
--- a/webrtc/common_audio/resampler/sinusoidal_linear_chirp_source.h
+++ b/webrtc/common_audio/resampler/sinusoidal_linear_chirp_source.h
@@ -31,7 +31,7 @@ class SinusoidalLinearChirpSource : public SincResamplerCallback {
 
   virtual ~SinusoidalLinearChirpSource() {}
 
-  virtual void Run(int frames, float* destination);
+  virtual void Run(int frames, float* destination) OVERRIDE;
 
   double Frequency(int position);