diff --git a/apps/openmw/mwworld/physicssystem.cpp b/apps/openmw/mwworld/physicssystem.cpp
index 0c1f580488..65cbc1164e 100644
--- a/apps/openmw/mwworld/physicssystem.cpp
+++ b/apps/openmw/mwworld/physicssystem.cpp
@@ -264,9 +264,8 @@ namespace MWWorld
         Ogre::Vector3 to = ray.getPoint(queryDistance);
 
         btVector3 _from, _to;
-        // OGRE to MW coordinates
-        _from = btVector3(from.x, -from.z, from.y);
-        _to = btVector3(to.x, -to.z, to.y);
+        _from = btVector3(from.x, from.y, from.z);
+        _to = btVector3(to.x, to.y, to.z);
 
         std::vector < std::pair <float, std::string> > results;
         /* auto */ results = mEngine->rayTest2(_from,_to);
@@ -287,7 +286,7 @@ namespace MWWorld
         Ray centerRay = mRender.getCamera()->getCameraToViewportRay(
         mRender.getViewport()->getWidth()/2,
         mRender.getViewport()->getHeight()/2);
-        btVector3 result(centerRay.getPoint(extent).x,-centerRay.getPoint(extent).z,centerRay.getPoint(extent).y);
+        btVector3 result(centerRay.getPoint(extent).x,centerRay.getPoint(extent).y,centerRay.getPoint(extent).z);
         return result;
     }
 
@@ -295,7 +294,7 @@ namespace MWWorld
     {
         //get a ray pointing to the center of the viewport
         Ray centerRay = mRender.getCamera()->getCameraToViewportRay(mouseX, mouseY);
-        btVector3 result(centerRay.getPoint(extent).x,-centerRay.getPoint(extent).z,centerRay.getPoint(extent).y);
+        btVector3 result(centerRay.getPoint(extent).x,centerRay.getPoint(extent).y,centerRay.getPoint(extent).z);
         return result;
     }
 
@@ -335,9 +334,8 @@ namespace MWWorld
         Ogre::Vector3 to = ray.getPoint(200); /// \todo make this distance (ray length) configurable
 
         btVector3 _from, _to;
-        // OGRE to MW coordinates
-        _from = btVector3(from.x, -from.z, from.y);
-        _to = btVector3(to.x, -to.z, to.y);
+        _from = btVector3(from.x, from.y, from.z);
+        _to = btVector3(to.x, to.y, to.z);
 
         std::pair<std::string, float> result = mEngine->rayTest(_from, _to);
 
diff --git a/apps/openmw/mwworld/worldimp.cpp b/apps/openmw/mwworld/worldimp.cpp
index ce39842b31..24a1f83022 100644
--- a/apps/openmw/mwworld/worldimp.cpp
+++ b/apps/openmw/mwworld/worldimp.cpp
@@ -1024,7 +1024,6 @@ namespace MWWorld
             // currently its here because we need to access the physics system
             float* p = mPlayer->getPlayer().getRefData().getPosition().pos;
             Vector3 sun = mRendering->getSkyManager()->getRealSunPos();
-            sun = Vector3(sun.x, -sun.z, sun.y);
             mRendering->getSkyManager()->setGlare(!mPhysics->castRay(Ogre::Vector3(p[0], p[1], p[2]), sun));
         }
 
@@ -1122,7 +1121,7 @@ namespace MWWorld
         }
         else
             p = mPhysics->getRayPoint(results.front().first);
-        Ogre::Vector3 pos(p.x(), p.z(), -p.y());
+        Ogre::Vector3 pos(p.x(), p.y(), p.z());
         Ogre::SceneNode* node = mFaced1.getRefData().getBaseNode();
 
         //std::cout << "Num facing 1 : " << mFaced1Name <<  std::endl;
@@ -1150,7 +1149,7 @@ namespace MWWorld
         }
         else
             p = mPhysics->getRayPoint(results.at (1).first);
-        Ogre::Vector3 pos(p.x(), p.z(), -p.y());
+        Ogre::Vector3 pos(p.x(), p.y(), p.z());
         Ogre::SceneNode* node1 = mFaced1.getRefData().getBaseNode();
         Ogre::SceneNode* node2 = mFaced2.getRefData().getBaseNode();
 
@@ -1299,7 +1298,7 @@ namespace MWWorld
         if (isCellExterior())
         {
             int cellX, cellY;
-            positionToIndex(result.second[0], -result.second[2], cellX, cellY);
+            positionToIndex(result.second[0], result.second[1], cellX, cellY);
             cell = mCells.getExterior(cellX, cellY);
         }
         else
@@ -1307,8 +1306,8 @@ namespace MWWorld
 
         ESM::Position pos = getPlayer().getPlayer().getRefData().getPosition();
         pos.pos[0] = result.second[0];
-        pos.pos[1] = -result.second[2];
-        pos.pos[2] = result.second[1];
+        pos.pos[1] = result.second[1];
+        pos.pos[2] = result.second[2];
 
         Ptr dropped = copyObjectToCell(object, *cell, pos);
         PCDropped(dropped);