diff --git a/apps/openmw/mwrender/cellimp.cpp b/apps/openmw/mwrender/cellimp.cpp
index 6df253b6d..ef323b4cd 100644
--- a/apps/openmw/mwrender/cellimp.cpp
+++ b/apps/openmw/mwrender/cellimp.cpp
@@ -5,7 +5,7 @@
 using namespace MWRender;
 
 template<typename T>
-void insertObj(CellRenderImp& cellRender, const T& liveRef)
+void insertObj(CellRenderImp& cellRender, T& liveRef)
 {
   assert (liveRef.base != NULL);
   const std::string &model = liveRef.base->model;
@@ -13,12 +13,12 @@ void insertObj(CellRenderImp& cellRender, const T& liveRef)
   {
     cellRender.insertBegin (liveRef.ref);
     cellRender.insertMesh ("meshes\\" + model);
-    cellRender.insertEnd();
+    liveRef.mData.mHandle = cellRender.insertEnd();
   }
 }
 
 template<>
-void insertObj(CellRenderImp& cellRender, const ESMS::LiveCellRef<ESM::Light, OMW::RefData>& liveRef)
+void insertObj(CellRenderImp& cellRender, ESMS::LiveCellRef<ESM::Light, OMW::RefData>& liveRef)
 {
   assert (liveRef.base != NULL);
   const std::string &model = liveRef.base->model;
@@ -36,21 +36,21 @@ void insertObj(CellRenderImp& cellRender, const ESMS::LiveCellRef<ESM::Light, OM
     const float radius = float(liveRef.base->data.radius);
     cellRender.insertLight(r, g, b, radius);
 
-    cellRender.insertEnd();
+    liveRef.mData.mHandle = cellRender.insertEnd();
   }
 }
 
 template<typename T>
-void insertCellRefList (CellRenderImp& cellRender, const T& cellRefList)
+void insertCellRefList (CellRenderImp& cellRender, T& cellRefList)
 {
-  for(typename T::List::const_iterator it = cellRefList.list.begin();
+  for(typename T::List::iterator it = cellRefList.list.begin();
     it != cellRefList.list.end(); it++)
   {
     insertObj (cellRender, *it);
   }
 }
 
-void CellRenderImp::insertCell(const ESMS::CellStore<OMW::RefData> &cell)
+void CellRenderImp::insertCell(ESMS::CellStore<OMW::RefData> &cell)
 {
   // Loop through all references in the cell
   insertCellRefList (*this, cell.activators);
diff --git a/apps/openmw/mwrender/cellimp.hpp b/apps/openmw/mwrender/cellimp.hpp
index cb3be42ab..9f3554bfd 100644
--- a/apps/openmw/mwrender/cellimp.hpp
+++ b/apps/openmw/mwrender/cellimp.hpp
@@ -24,7 +24,7 @@ namespace MWRender
     virtual ~CellRenderImp() {}
 
     /// start inserting a new reference.
-    virtual void insertBegin (const ESM::CellRef &ref) = 0;
+    virtual void insertBegin (ESM::CellRef &ref) = 0;
 
     /// insert a mesh related to the most recent insertBegin call.
     virtual void insertMesh(const std::string &mesh) = 0;
@@ -35,7 +35,7 @@ namespace MWRender
     /// finish inserting a new reference and return a handle to it.
     virtual std::string insertEnd() = 0;
       
-    void insertCell(const ESMS::CellStore<OMW::RefData> &cell);
+    void insertCell(ESMS::CellStore<OMW::RefData> &cell);
 
   };
 }
diff --git a/apps/openmw/mwrender/interior.cpp b/apps/openmw/mwrender/interior.cpp
index e85d09722..5cf38a5a1 100644
--- a/apps/openmw/mwrender/interior.cpp
+++ b/apps/openmw/mwrender/interior.cpp
@@ -27,7 +27,7 @@ bool InteriorCellRender::lightOutQuadInLin = false;
 
 // start inserting a new reference.
 
-void InteriorCellRender::insertBegin (const ESM::CellRef &ref)
+void InteriorCellRender::insertBegin (ESM::CellRef &ref)
 {
   assert (!insert);
 
diff --git a/apps/openmw/mwrender/interior.hpp b/apps/openmw/mwrender/interior.hpp
index 9ffe6aa79..f7ec786a3 100644
--- a/apps/openmw/mwrender/interior.hpp
+++ b/apps/openmw/mwrender/interior.hpp
@@ -42,7 +42,7 @@ namespace MWRender
 
     static bool lightOutQuadInLin;
 
-    const ESMS::CellStore<OMW::RefData> &cell;
+    ESMS::CellStore<OMW::RefData> &cell;
     MWScene &scene;
 
     /// The scene node that contains all objects belonging to this
@@ -57,7 +57,7 @@ namespace MWRender
     Ogre::ColourValue ambientColor;
 
     /// start inserting a new reference.
-    virtual void insertBegin (const ESM::CellRef &ref);
+    virtual void insertBegin (ESM::CellRef &ref);
 
     /// insert a mesh related to the most recent insertBegin call.
     virtual void insertMesh(const std::string &mesh);
@@ -78,7 +78,7 @@ namespace MWRender
 
   public:
 
-    InteriorCellRender(const ESMS::CellStore<OMW::RefData> &_cell, MWScene &_scene)
+    InteriorCellRender(ESMS::CellStore<OMW::RefData> &_cell, MWScene &_scene)
     : cell(_cell), scene(_scene), base(NULL), insert(NULL), ambientMode (0) {}
 
     virtual ~InteriorCellRender() { destroy(); }
diff --git a/apps/openmw/refdata.hpp b/apps/openmw/refdata.hpp
index a49084906..8726d2023 100644
--- a/apps/openmw/refdata.hpp
+++ b/apps/openmw/refdata.hpp
@@ -1,10 +1,13 @@
 #ifndef REFDATA_H
 #define REFDATA_H
 
+#include <string>
+
 namespace OMW
 {
-    class RefData
+    struct RefData
     {
+        std::string mHandle;
         
     
     };