diff --git a/PVRTCEncoder/include/PVRTCCompressor.h b/PVRTCEncoder/include/PVRTCCompressor.h
index 886b777..2e7dd88 100644
--- a/PVRTCEncoder/include/PVRTCCompressor.h
+++ b/PVRTCEncoder/include/PVRTCCompressor.h
@@ -68,7 +68,7 @@ namespace PVRTCC {
   // Takes a stream of compressed PVRTC data and decompresses it into R8G8B8A8
   // format. The width and height must be specified in order to properly
   // decompress the data.
-  void Decompress(const DecompressionJob &, const EWrapMode wrapMode);
+  void Decompress(const DecompressionJob &, const EWrapMode wrapMode = eWrapMode_Clamp);
 
 }  // namespace PVRTCC