diff --git a/apps/openmw/mwsound/ffmpeg_decoder.hpp b/apps/openmw/mwsound/ffmpeg_decoder.hpp
index ae71c0052..4344397c7 100644
--- a/apps/openmw/mwsound/ffmpeg_decoder.hpp
+++ b/apps/openmw/mwsound/ffmpeg_decoder.hpp
@@ -42,6 +42,9 @@ namespace MWSound
         virtual void readAll(std::vector<char> &output);
         virtual void rewind();
 
+        FFmpeg_Decoder& operator=(const FFmpeg_Decoder &rhs);
+        FFmpeg_Decoder(const FFmpeg_Decoder &rhs);
+
         FFmpeg_Decoder();
     public:
         virtual ~FFmpeg_Decoder();
diff --git a/apps/openmw/mwsound/mpgsnd_decoder.hpp b/apps/openmw/mwsound/mpgsnd_decoder.hpp
index 1d9e9d5e2..870773edc 100644
--- a/apps/openmw/mwsound/mpgsnd_decoder.hpp
+++ b/apps/openmw/mwsound/mpgsnd_decoder.hpp
@@ -40,6 +40,9 @@ namespace MWSound
         virtual void readAll(std::vector<char> &output);
         virtual void rewind();
 
+        MpgSnd_Decoder& operator=(const MpgSnd_Decoder &rhs);
+        MpgSnd_Decoder(const MpgSnd_Decoder &rhs);
+
         MpgSnd_Decoder();
     public:
         virtual ~MpgSnd_Decoder();
diff --git a/apps/openmw/mwsound/openal_output.cpp b/apps/openmw/mwsound/openal_output.cpp
index 5e61cb94f..a0b9c3a72 100644
--- a/apps/openmw/mwsound/openal_output.cpp
+++ b/apps/openmw/mwsound/openal_output.cpp
@@ -76,6 +76,9 @@ class OpenAL_SoundStream : public Sound
 
     volatile bool mIsFinished;
 
+    OpenAL_SoundStream(const OpenAL_SoundStream &rhs);
+    OpenAL_SoundStream& operator=(const OpenAL_SoundStream &rhs);
+
 public:
     OpenAL_SoundStream(OpenAL_Output &output, ALuint src, DecoderPtr decoder);
     virtual ~OpenAL_SoundStream();
@@ -148,6 +151,10 @@ struct OpenAL_Output::StreamThread {
         mStreams.clear();
         mMutex.unlock();
     }
+
+private:
+    StreamThread(const StreamThread &rhs);
+    StreamThread& operator=(const StreamThread &rhs);
 };
 
 
@@ -308,6 +315,10 @@ class OpenAL_Sound : public Sound
 
     ALuint mSource;
     ALuint mBuffer;
+
+    OpenAL_Sound(const OpenAL_Sound &rhs);
+    OpenAL_Sound& operator=(const OpenAL_Sound &rhs);
+
 public:
     OpenAL_Sound(OpenAL_Output &output, ALuint src, ALuint buf);
     virtual ~OpenAL_Sound();
diff --git a/apps/openmw/mwsound/openal_output.hpp b/apps/openmw/mwsound/openal_output.hpp
index 33ab7a2aa..e8154e906 100644
--- a/apps/openmw/mwsound/openal_output.hpp
+++ b/apps/openmw/mwsound/openal_output.hpp
@@ -52,6 +52,9 @@ namespace MWSound
 
         virtual void updateListener(const float *pos, const float *atdir, const float *updir);
 
+        OpenAL_Output& operator=(const OpenAL_Output &rhs);
+        OpenAL_Output(const OpenAL_Output &rhs);
+
         OpenAL_Output(SoundManager &mgr);
         virtual ~OpenAL_Output();
 
diff --git a/apps/openmw/mwsound/sound.hpp b/apps/openmw/mwsound/sound.hpp
index 84725464b..f9e7ab427 100644
--- a/apps/openmw/mwsound/sound.hpp
+++ b/apps/openmw/mwsound/sound.hpp
@@ -9,7 +9,11 @@ namespace MWSound
         virtual bool isPlaying() = 0;
         virtual void update(const float *pos) = 0;
 
+        Sound& operator=(const Sound &rhs);
+        Sound(const Sound &rhs);
+
     public:
+        Sound() { }
         virtual ~Sound() { }
 
         friend class OpenAL_Output;
diff --git a/apps/openmw/mwsound/sound_decoder.hpp b/apps/openmw/mwsound/sound_decoder.hpp
index e076c7b56..9c28d5ff5 100644
--- a/apps/openmw/mwsound/sound_decoder.hpp
+++ b/apps/openmw/mwsound/sound_decoder.hpp
@@ -38,6 +38,10 @@ namespace MWSound
         Sound_Decoder() : mResourceMgr(Ogre::ResourceGroupManager::getSingleton())
         { }
         virtual ~Sound_Decoder() { }
+
+    private:
+        Sound_Decoder(const Sound_Decoder &rhs);
+        Sound_Decoder& operator=(const Sound_Decoder &rhs);
     };
 }
 
diff --git a/apps/openmw/mwsound/sound_output.hpp b/apps/openmw/mwsound/sound_output.hpp
index 14b61e609..1722165e4 100644
--- a/apps/openmw/mwsound/sound_output.hpp
+++ b/apps/openmw/mwsound/sound_output.hpp
@@ -29,6 +29,9 @@ namespace MWSound
 
         virtual void updateListener(const float *pos, const float *atdir, const float *updir) = 0;
 
+        Sound_Output& operator=(const Sound_Output &rhs);
+        Sound_Output(const Sound_Output &rhs);
+
         Sound_Output(SoundManager &mgr) : mManager(mgr) { }
     public:
         virtual ~Sound_Output() { }
diff --git a/apps/openmw/mwsound/soundmanager.hpp b/apps/openmw/mwsound/soundmanager.hpp
index aef4a8ace..b7c883a13 100644
--- a/apps/openmw/mwsound/soundmanager.hpp
+++ b/apps/openmw/mwsound/soundmanager.hpp
@@ -53,6 +53,9 @@ namespace MWSound
         void updateSounds(float duration);
         void updateRegionSound(float duration);
 
+        SoundManager(const SoundManager &rhs);
+        SoundManager& operator=(const SoundManager &rhs);
+
     protected:
         DecoderPtr getDecoder();
         friend class OpenAL_Output;