diff --git a/common_audio/vad/webrtc_vad.c b/common_audio/vad/webrtc_vad.c
index 49e7682780..6dd14d8b55 100644
--- a/common_audio/vad/webrtc_vad.c
+++ b/common_audio/vad/webrtc_vad.c
@@ -21,7 +21,7 @@ static const int kValidRates[] = { 8000, 16000, 32000, 48000 };
 static const size_t kRatesSize = sizeof(kValidRates) / sizeof(*kValidRates);
 static const int kMaxFrameLengthMs = 30;
 
-VadInst* WebRtcVad_Create() {
+VadInst* WebRtcVad_Create(void) {
   VadInstT* self = (VadInstT*)malloc(sizeof(VadInstT));
 
   self->init_flag = 0;