diff --git a/apps/openmw/mwphysics/actor.cpp b/apps/openmw/mwphysics/actor.cpp
index cc46897d1..c99754b5c 100644
--- a/apps/openmw/mwphysics/actor.cpp
+++ b/apps/openmw/mwphysics/actor.cpp
@@ -16,7 +16,7 @@ namespace MWPhysics
 {
 
 
-Actor::Actor(const MWWorld::Ptr& ptr, osg::ref_ptr<Resource::BulletShapeInstance> shape, btCollisionWorld* world)
+Actor::Actor(const MWWorld::Ptr& ptr, osg::ref_ptr<const Resource::BulletShape> shape, btCollisionWorld* world)
   : mCanWaterWalk(false), mWalkingOnWater(false)
   , mCollisionObject(0), mForce(0.f, 0.f, 0.f), mOnGround(false)
   , mInternalCollisionMode(true)
diff --git a/apps/openmw/mwphysics/actor.hpp b/apps/openmw/mwphysics/actor.hpp
index 03193c675..5755def74 100644
--- a/apps/openmw/mwphysics/actor.hpp
+++ b/apps/openmw/mwphysics/actor.hpp
@@ -15,7 +15,7 @@ class btCollisionObject;
 
 namespace Resource
 {
-    class BulletShapeInstance;
+    class BulletShape;
 }
 
 namespace MWPhysics
@@ -48,7 +48,7 @@ namespace MWPhysics
     class Actor : public PtrHolder
     {
     public:
-        Actor(const MWWorld::Ptr& ptr, osg::ref_ptr<Resource::BulletShapeInstance> shape, btCollisionWorld* world);
+        Actor(const MWWorld::Ptr& ptr, osg::ref_ptr<const Resource::BulletShape> shape, btCollisionWorld* world);
         ~Actor();
 
         /**
diff --git a/apps/openmw/mwphysics/physicssystem.cpp b/apps/openmw/mwphysics/physicssystem.cpp
index 5d0ac1f8f..48b3426b8 100644
--- a/apps/openmw/mwphysics/physicssystem.cpp
+++ b/apps/openmw/mwphysics/physicssystem.cpp
@@ -1234,11 +1234,11 @@ namespace MWPhysics
     }
 
     void PhysicsSystem::addActor (const MWWorld::Ptr& ptr, const std::string& mesh) {
-        osg::ref_ptr<Resource::BulletShapeInstance> shapeInstance = mShapeManager->getInstance(mesh);
-        if (!shapeInstance)
+        osg::ref_ptr<const Resource::BulletShape> shape = mShapeManager->getShape(mesh);
+        if (!shape)
             return;
 
-        Actor* actor = new Actor(ptr, shapeInstance, mCollisionWorld);
+        Actor* actor = new Actor(ptr, shape, mCollisionWorld);
         mActors.insert(std::make_pair(ptr, actor));
     }