diff --git a/apps/openmw/mwrender/renderingmanager.cpp b/apps/openmw/mwrender/renderingmanager.cpp
index 797e3c400a..7b58a80d76 100644
--- a/apps/openmw/mwrender/renderingmanager.cpp
+++ b/apps/openmw/mwrender/renderingmanager.cpp
@@ -310,7 +310,10 @@ void RenderingManager::sunDisable()
 
 void RenderingManager::setSunDirection(const Ogre::Vector3& direction)
 {
-    if (mSun) mSun->setDirection(Vector3(direction.x, -direction.z, direction.y));
+    // direction * -1 (because 'direction' is camera to sun vector and not sun to camera), 
+    // then convert from MW to ogre coordinates (swap y,z and make y negative)
+    if (mSun) mSun->setDirection(Vector3(-direction.x, -direction.z, direction.y));
+    
     mSkyManager->setSunDirection(direction);
 }
 
diff --git a/apps/openmw/mwrender/sky.cpp b/apps/openmw/mwrender/sky.cpp
index 448050240b..23d99b6cd6 100644
--- a/apps/openmw/mwrender/sky.cpp
+++ b/apps/openmw/mwrender/sky.cpp
@@ -167,6 +167,8 @@ Moon::Moon( const String& textureName,
     "{	\n"
     "   float4 tex = tex2D(texture, uv); \n"
     "   oColor = float4(emissive.xyz,1) * tex2D(texture, uv) * float4(1,1,1,diffuse.a); \n"
+    "   float bump = pow((1-diffuse.a),4); \n"
+    "   oColor.rgb += float3(bump, bump, bump)*0.5; \n"
     "}";
     fshader->setSource(outStream2.str());
     fshader->load();