--- a/dom/media/AudioConverter.h
+++ b/dom/media/AudioConverter.h
@@ -79,17 +79,17 @@ public:
                   "Conversion not implemented yet");
   }
   explicit AudioDataBuffer(AlignedShortBuffer&& aBuffer)
     : mBuffer(Move(aBuffer))
   {
     static_assert(Format == AudioConfig::FORMAT_S16,
                   "Conversion not implemented yet");
   }
-  explicit AudioDataBuffer(const AlignedFloatBuffer&& aBuffer)
+  explicit AudioDataBuffer(AlignedFloatBuffer&& aBuffer)
     : mBuffer(Move(aBuffer))
   {
     static_assert(Format == AudioConfig::FORMAT_FLT,
                   "Conversion not implemented yet");
   }
   AudioDataBuffer& operator=(AudioDataBuffer&& aOther)
   {
     mBuffer = Move(aOther.mBuffer);