diff --git a/apps/openmw/mwsound/openal_output.cpp b/apps/openmw/mwsound/openal_output.cpp
index e9df0738b..e37924088 100644
--- a/apps/openmw/mwsound/openal_output.cpp
+++ b/apps/openmw/mwsound/openal_output.cpp
@@ -96,7 +96,7 @@ public:
     void Play(float volume, float pitch);
     virtual void Stop();
     virtual bool isPlaying();
-    virtual void Update(MWWorld::Ptr ptr);
+    virtual void Update(const float *pos);
 };
 
 class OpenAL_Sound : public Sound
@@ -110,7 +110,7 @@ public:
 
     virtual void Stop();
     virtual bool isPlaying();
-    virtual void Update(MWWorld::Ptr ptr);
+    virtual void Update(const float *pos);
 };
 
 
@@ -234,9 +234,8 @@ bool OpenAL_SoundStream::isPlaying()
     return true;
 }
 
-void OpenAL_SoundStream::Update(MWWorld::Ptr ptr)
+void OpenAL_SoundStream::Update(const float *pos)
 {
-    const float *pos = ptr.getCellRef().pos.pos;
     alSource3f(Source, AL_POSITION, pos[0], pos[2], -pos[1]);
     alSource3f(Source, AL_DIRECTION, 0.0f, 0.0f, 0.0f);
     alSource3f(Source, AL_VELOCITY, 0.0f, 0.0f, 0.0f);
@@ -271,9 +270,8 @@ bool OpenAL_Sound::isPlaying()
     return state==AL_PLAYING;
 }
 
-void OpenAL_Sound::Update(MWWorld::Ptr ptr)
+void OpenAL_Sound::Update(const float *pos)
 {
-    const float *pos = ptr.getCellRef().pos.pos;
     alSource3f(Source, AL_POSITION, pos[0], pos[2], -pos[1]);
     alSource3f(Source, AL_DIRECTION, 0.0f, 0.0f, 0.0f);
     alSource3f(Source, AL_VELOCITY, 0.0f, 0.0f, 0.0f);
diff --git a/apps/openmw/mwsound/sound.hpp b/apps/openmw/mwsound/sound.hpp
index 99be9dfeb..3b4736fd6 100644
--- a/apps/openmw/mwsound/sound.hpp
+++ b/apps/openmw/mwsound/sound.hpp
@@ -11,7 +11,7 @@ namespace MWSound
     {
         virtual void Stop() = 0;
         virtual bool isPlaying() = 0;
-        virtual void Update(MWWorld::Ptr ptr) = 0;
+        virtual void Update(const float *pos) = 0;
 
     public:
         virtual ~Sound() { }
diff --git a/apps/openmw/mwsound/soundmanager.cpp b/apps/openmw/mwsound/soundmanager.cpp
index a603763e5..650c8f0d9 100644
--- a/apps/openmw/mwsound/soundmanager.cpp
+++ b/apps/openmw/mwsound/soundmanager.cpp
@@ -358,7 +358,8 @@ namespace MWSound
         IDMap::iterator iditer = snditer->second.begin();
         while(iditer != snditer->second.end())
         {
-            iditer->second->Update(ptr);
+            const ESM::Position &pos = ptr.getCellRef().pos;
+            iditer->second->Update(pos.pos);
             iditer++;
         }
     }