diff --git a/webrtc/modules/audio_coding/main/source/acm_opus.h b/webrtc/modules/audio_coding/main/source/acm_opus.h
index bd8ff32659..92096e3a51 100644
--- a/webrtc/modules/audio_coding/main/source/acm_opus.h
+++ b/webrtc/modules/audio_coding/main/source/acm_opus.h
@@ -61,7 +61,7 @@ class ACMOpus : public ACMGenericCodec {
   WebRtcOpusEncInst* encoder_inst_ptr_;
   WebRtcOpusDecInst* decoder_inst_ptr_;
   uint16_t sample_freq_;
-  uint16_t bitrate_;
+  uint32_t bitrate_;
   int channels_;
 };