diff --git a/webrtc/modules/utility/source/coder.h b/webrtc/modules/utility/source/coder.h
index e04372d..0363690 100644
--- a/webrtc/modules/utility/source/coder.h
+++ b/webrtc/modules/utility/source/coder.h
@@ -34,12 +34,12 @@
         ACMAMRPackingFormat amrFormat = AMRBandwidthEfficient);
 
     int32_t Decode(AudioFrame& decodedAudio, uint32_t sampFreqHz,
-                   const int8_t* incomingPayload, int32_t payloadLength);
+                   const int8_t* incomingPayload, size_t payloadLength);
 
     int32_t PlayoutData(AudioFrame& decodedAudio, uint16_t& sampFreqHz);
 
     int32_t Encode(const AudioFrame& audio, int8_t* encodedData,
-                   uint32_t& encodedLengthInBytes);
+                   size_t& encodedLengthInBytes);
 
 protected:
     virtual int32_t SendData(
@@ -47,7 +47,7 @@
         uint8_t payloadType,
         uint32_t timeStamp,
         const uint8_t* payloadData,
-        uint16_t payloadSize,
+        size_t payloadSize,
         const RTPFragmentationHeader* fragmentation) OVERRIDE;
 
 private:
@@ -57,7 +57,7 @@
 
     uint32_t _encodeTimestamp;
     int8_t*  _encodedData;
-    uint32_t _encodedLengthInBytes;
+    size_t _encodedLengthInBytes;
 
     uint32_t _decodeTimestamp;
 };