diff --git a/apps/openmw/mwphysics/actor.cpp b/apps/openmw/mwphysics/actor.cpp
index 632d32c26..0f8814aca 100644
--- a/apps/openmw/mwphysics/actor.cpp
+++ b/apps/openmw/mwphysics/actor.cpp
@@ -201,6 +201,11 @@ osg::Vec3f Actor::getHalfExtents() const
     return osg::componentMultiply(mHalfExtents, mScale);
 }
 
+osg::Vec3f Actor::getOriginalHalfExtents() const
+{
+    return mHalfExtents;
+}
+
 osg::Vec3f Actor::getRenderingHalfExtents() const
 {
     return osg::componentMultiply(mHalfExtents, mRenderingScale);
diff --git a/apps/openmw/mwphysics/actor.hpp b/apps/openmw/mwphysics/actor.hpp
index 31dd22a22..8752f7fee 100644
--- a/apps/openmw/mwphysics/actor.hpp
+++ b/apps/openmw/mwphysics/actor.hpp
@@ -66,6 +66,11 @@ namespace MWPhysics
          */
         osg::Vec3f getHalfExtents() const;
 
+        /**
+         * Returns the half extents of the collision body (not scaled)
+         */
+        osg::Vec3f getOriginalHalfExtents() const;
+
         /**
          * Returns the position of the collision body
          * @note The collision shape's origin is in its center, so the position returned can be described as center of the actor collision box in world space.
diff --git a/apps/openmw/mwphysics/physicssystem.cpp b/apps/openmw/mwphysics/physicssystem.cpp
index d12f7fe6c..e3884afad 100644
--- a/apps/openmw/mwphysics/physicssystem.cpp
+++ b/apps/openmw/mwphysics/physicssystem.cpp
@@ -906,6 +906,14 @@ namespace MWPhysics
             return osg::Vec3f();
     }
 
+    osg::Vec3f PhysicsSystem::getOriginalHalfExtents(const MWWorld::ConstPtr &actor) const
+    {
+        if (const Actor* physactor = getActor(actor))
+            return physactor->getOriginalHalfExtents();
+        else
+            return osg::Vec3f();
+    }
+
     osg::Vec3f PhysicsSystem::getRenderingHalfExtents(const MWWorld::ConstPtr &actor) const
     {
         const Actor* physactor = getActor(actor);
diff --git a/apps/openmw/mwphysics/physicssystem.hpp b/apps/openmw/mwphysics/physicssystem.hpp
index 76fbcf8c6..364a59ab1 100644
--- a/apps/openmw/mwphysics/physicssystem.hpp
+++ b/apps/openmw/mwphysics/physicssystem.hpp
@@ -136,6 +136,9 @@ namespace MWPhysics
             /// Get physical half extents (scaled) of the given actor.
             osg::Vec3f getHalfExtents(const MWWorld::ConstPtr& actor) const;
 
+            /// Get physical half extents (not scaled) of the given actor.
+            osg::Vec3f getOriginalHalfExtents(const MWWorld::ConstPtr& actor) const;
+
             /// @see MWPhysics::Actor::getRenderingHalfExtents
             osg::Vec3f getRenderingHalfExtents(const MWWorld::ConstPtr& actor) const;
 
diff --git a/apps/openmw/mwworld/worldimp.cpp b/apps/openmw/mwworld/worldimp.cpp
index fa394cc10..eb401658e 100644
--- a/apps/openmw/mwworld/worldimp.cpp
+++ b/apps/openmw/mwworld/worldimp.cpp
@@ -2443,6 +2443,7 @@ namespace MWWorld
 
         applyLoopingParticles(player);
 
+        mDefaultHalfExtents = mPhysics->getOriginalHalfExtents(getPlayerPtr());
         mNavigator->addAgent(getPathfindingHalfExtents(getPlayerConstPtr()));
     }
 
@@ -3795,7 +3796,7 @@ namespace MWWorld
     osg::Vec3f World::getPathfindingHalfExtents(const MWWorld::ConstPtr& actor) const
     {
         if (actor.isInCell() && actor.getCell()->isExterior())
-            return getHalfExtents(getPlayerConstPtr()); // Using player half extents for better performance
+            return mDefaultHalfExtents; // Using default half extents for better performance
         else
             return getHalfExtents(actor);
     }
diff --git a/apps/openmw/mwworld/worldimp.hpp b/apps/openmw/mwworld/worldimp.hpp
index 71d6c5afd..f0c28ea9e 100644
--- a/apps/openmw/mwworld/worldimp.hpp
+++ b/apps/openmw/mwworld/worldimp.hpp
@@ -111,6 +111,8 @@ namespace MWWorld
 
             std::string mUserDataPath;
 
+            osg::Vec3f mDefaultHalfExtents;
+
             // not implemented
             World (const World&);
             World& operator= (const World&);