diff --git a/apps/openmw/mwrender/renderingmanager.cpp b/apps/openmw/mwrender/renderingmanager.cpp
index dfc1743f0..3ad349ba7 100644
--- a/apps/openmw/mwrender/renderingmanager.cpp
+++ b/apps/openmw/mwrender/renderingmanager.cpp
@@ -193,7 +193,7 @@ namespace MWRender
         mWater.reset(new Water(mRootNode, sceneRoot, mResourceSystem, mViewer->getIncrementalCompileOperation(), fallback, resourcePath));
 
         mTerrain.reset(new Terrain::TerrainGrid(sceneRoot, mResourceSystem, mViewer->getIncrementalCompileOperation(),
-                                                new TerrainStorage(mResourceSystem->getVFS(), false), Mask_Terrain, mUnrefQueue.get()));
+                                                new TerrainStorage(mResourceSystem->getVFS(), false), Mask_Terrain, &mResourceSystem->getSceneManager()->getShaderManager(), mUnrefQueue.get()));
 
         mCamera.reset(new Camera(mViewer->getCamera()));
 
diff --git a/components/terrain/buffercache.hpp b/components/terrain/buffercache.hpp
index d1a57f811..172b9d672 100644
--- a/components/terrain/buffercache.hpp
+++ b/components/terrain/buffercache.hpp
@@ -3,6 +3,7 @@
 
 #include <osg/ref_ptr>
 #include <osg/Array>
+#include <osg/PrimitiveSet>
 
 #include <map>
 
diff --git a/components/terrain/material.cpp b/components/terrain/material.cpp
index c1aef1f9d..54634d5d4 100644
--- a/components/terrain/material.cpp
+++ b/components/terrain/material.cpp
@@ -143,7 +143,7 @@ namespace Terrain
         }
     }
 
-    Effect::Effect(bool useShaders, bool forcePerPixelLighting, bool clampLighting, Shader::ShaderManager& shaderManager, const std::vector<TextureLayer> &layers, const std::vector<osg::ref_ptr<osg::Texture2D> > &blendmaps,
+    Effect::Effect(bool useShaders, bool forcePerPixelLighting, bool clampLighting, Shader::ShaderManager* shaderManager, const std::vector<TextureLayer> &layers, const std::vector<osg::ref_ptr<osg::Texture2D> > &blendmaps,
                    int blendmapScale, float layerTileSize)
         : mShaderManager(shaderManager)
         , mUseShaders(useShaders)
@@ -161,8 +161,8 @@ namespace Terrain
     {
         try
         {
-            if (mUseShaders)
-                addTechnique(new ShaderTechnique(mShaderManager, mForcePerPixelLighting, mClampLighting, mLayers, mBlendmaps, mBlendmapScale, mLayerTileSize));
+            if (mUseShaders && mShaderManager)
+                addTechnique(new ShaderTechnique(*mShaderManager, mForcePerPixelLighting, mClampLighting, mLayers, mBlendmaps, mBlendmapScale, mLayerTileSize));
             else
                 addTechnique(new FixedFunctionTechnique(mLayers, mBlendmaps, mBlendmapScale, mLayerTileSize));
         }
diff --git a/components/terrain/material.hpp b/components/terrain/material.hpp
index 65349a5e7..e353e5b3a 100644
--- a/components/terrain/material.hpp
+++ b/components/terrain/material.hpp
@@ -50,7 +50,7 @@ namespace Terrain
     class Effect : public osgFX::Effect
     {
     public:
-        Effect(bool useShaders, bool forcePerPixelLighting, bool clampLighting, Shader::ShaderManager& shaderManager,
+        Effect(bool useShaders, bool forcePerPixelLighting, bool clampLighting, Shader::ShaderManager* shaderManager,
                 const std::vector<TextureLayer>& layers,
                 const std::vector<osg::ref_ptr<osg::Texture2D> >& blendmaps, int blendmapScale, float layerTileSize);
 
@@ -70,7 +70,7 @@ namespace Terrain
         }
 
     private:
-        Shader::ShaderManager& mShaderManager;
+        Shader::ShaderManager* mShaderManager;
         bool mUseShaders;
         bool mForcePerPixelLighting;
         bool mClampLighting;
diff --git a/components/terrain/terraingrid.cpp b/components/terrain/terraingrid.cpp
index cbafe1677..e008d5e52 100644
--- a/components/terrain/terraingrid.cpp
+++ b/components/terrain/terraingrid.cpp
@@ -51,11 +51,12 @@ namespace
 namespace Terrain
 {
 
-TerrainGrid::TerrainGrid(osg::Group* parent, Resource::ResourceSystem* resourceSystem, osgUtil::IncrementalCompileOperation* ico, Storage* storage, int nodeMask, SceneUtil::UnrefQueue* unrefQueue)
+TerrainGrid::TerrainGrid(osg::Group* parent, Resource::ResourceSystem* resourceSystem, osgUtil::IncrementalCompileOperation* ico, Storage* storage, int nodeMask, Shader::ShaderManager* shaderManager, SceneUtil::UnrefQueue* unrefQueue)
     : Terrain::World(parent, resourceSystem, ico, storage, nodeMask)
     , mNumSplits(4)
     , mCache((storage->getCellVertices()-1)/static_cast<float>(mNumSplits) + 1)
     , mUnrefQueue(unrefQueue)
+    , mShaderManager(shaderManager)
 {
     osg::ref_ptr<osg::Material> material (new osg::Material);
     material->setColorMode(osg::Material::AMBIENT_AND_DIFFUSE);
@@ -211,8 +212,8 @@ osg::ref_ptr<osg::Node> TerrainGrid::buildTerrain (osg::Group* parent, float chu
             geometry->setTexCoordArray(i, mCache.getUVBuffer());
 
         float blendmapScale = ESM::Land::LAND_TEXTURE_SIZE*chunkSize;
-        osg::ref_ptr<osgFX::Effect> effect (new Terrain::Effect(useShaders, mResourceSystem->getSceneManager()->getForcePerPixelLighting(), mResourceSystem->getSceneManager()->getClampLighting(),
-                                                                mResourceSystem->getSceneManager()->getShaderManager(), layers, blendmapTextures, blendmapScale, blendmapScale));
+        osg::ref_ptr<osgFX::Effect> effect (new Terrain::Effect(mShaderManager ? useShaders : false, mResourceSystem->getSceneManager()->getForcePerPixelLighting(), mResourceSystem->getSceneManager()->getClampLighting(),
+                                                                mShaderManager, layers, blendmapTextures, blendmapScale, blendmapScale));
 
         effect->addCullCallback(new SceneUtil::LightListCallback);
 
diff --git a/components/terrain/terraingrid.hpp b/components/terrain/terraingrid.hpp
index d2276a0af..defcce8b3 100644
--- a/components/terrain/terraingrid.hpp
+++ b/components/terrain/terraingrid.hpp
@@ -4,13 +4,22 @@
 #include <osg/Vec2f>
 
 #include "world.hpp"
-#include "material.hpp"
 
 namespace SceneUtil
 {
     class UnrefQueue;
 }
 
+namespace Shader
+{
+    class ShaderManager;
+}
+
+namespace osg
+{
+    class Texture2D;
+}
+
 namespace Terrain
 {
 
@@ -18,7 +27,7 @@ namespace Terrain
     class TerrainGrid : public Terrain::World
     {
     public:
-        TerrainGrid(osg::Group* parent, Resource::ResourceSystem* resourceSystem, osgUtil::IncrementalCompileOperation* ico, Storage* storage, int nodeMask, SceneUtil::UnrefQueue* unrefQueue = NULL);
+        TerrainGrid(osg::Group* parent, Resource::ResourceSystem* resourceSystem, osgUtil::IncrementalCompileOperation* ico, Storage* storage, int nodeMask, Shader::ShaderManager* shaderManager = NULL, SceneUtil::UnrefQueue* unrefQueue = NULL);
         ~TerrainGrid();
 
         /// Load a terrain cell and store it in cache for later use.
@@ -59,6 +68,8 @@ namespace Terrain
         BufferCache mCache;
 
         osg::ref_ptr<SceneUtil::UnrefQueue> mUnrefQueue;
+
+        Shader::ShaderManager* mShaderManager;
     };
 
 }