diff --git a/webrtc/modules/utility/source/coder.cc b/webrtc/modules/utility/source/coder.cc
index 11a462a..5a39748 100644
--- a/webrtc/modules/utility/source/coder.cc
+++ b/webrtc/modules/utility/source/coder.cc
@@ -54,7 +54,7 @@
 int32_t AudioCoder::Decode(AudioFrame& decodedAudio,
                            uint32_t sampFreqHz,
                            const int8_t*  incomingPayload,
-                           int32_t  payloadLength)
+                           size_t  payloadLength)
 {
     if (payloadLength > 0)
     {
@@ -79,7 +79,7 @@
 
 int32_t AudioCoder::Encode(const AudioFrame& audio,
                            int8_t* encodedData,
-                           uint32_t& encodedLengthInBytes)
+                           size_t& encodedLengthInBytes)
 {
     // Fake a timestamp in case audio doesn't contain a correct timestamp.
     // Make a local copy of the audio frame since audio is const
@@ -109,7 +109,7 @@
     uint8_t   /* payloadType */,
     uint32_t  /* timeStamp */,
     const uint8_t*  payloadData,
-    uint16_t  payloadSize,
+    size_t  payloadSize,
     const RTPFragmentationHeader* /* fragmentation*/)
 {
     memcpy(_encodedData,payloadData,sizeof(uint8_t) * payloadSize);