diff --git a/apps/openmw/mwsound/ffmpeg_decoder.hpp b/apps/openmw/mwsound/ffmpeg_decoder.hpp
index 92d046d85..f099c831c 100644
--- a/apps/openmw/mwsound/ffmpeg_decoder.hpp
+++ b/apps/openmw/mwsound/ffmpeg_decoder.hpp
@@ -69,15 +69,13 @@ namespace MWSound
         FFmpeg_Decoder& operator=(const FFmpeg_Decoder &rhs);
         FFmpeg_Decoder(const FFmpeg_Decoder &rhs);
 
-        FFmpeg_Decoder(const VFS::Manager* vfs);
     public:
+        explicit FFmpeg_Decoder(const VFS::Manager* vfs);
+
         virtual ~FFmpeg_Decoder();
 
         friend class SoundManager;
     };
-#ifndef DEFAULT_DECODER
-#define DEFAULT_DECODER (::MWSound::FFmpeg_Decoder)
-#endif
 }
 
 #endif
diff --git a/apps/openmw/mwsound/soundmanagerimp.cpp b/apps/openmw/mwsound/soundmanagerimp.cpp
index 44465e5a7..740167b0a 100644
--- a/apps/openmw/mwsound/soundmanagerimp.cpp
+++ b/apps/openmw/mwsound/soundmanagerimp.cpp
@@ -117,7 +117,7 @@ namespace MWSound
     // Return a new decoder instance, used as needed by the output implementations
     DecoderPtr SoundManager::getDecoder()
     {
-        return DecoderPtr(new DEFAULT_DECODER (mVFS));
+        return std::make_shared<FFmpeg_Decoder>(mVFS);
     }
 
     DecoderPtr SoundManager::loadVoice(const std::string &voicefile)