diff --git a/apps/openmw/mwworld/worldimp.cpp b/apps/openmw/mwworld/worldimp.cpp
index c0e79352f8..74d4d28383 100644
--- a/apps/openmw/mwworld/worldimp.cpp
+++ b/apps/openmw/mwworld/worldimp.cpp
@@ -1337,6 +1337,8 @@ namespace MWWorld
 
         if (mPhysics->getActor(ptr))
             mNavigator->addAgent(getPathfindingHalfExtents(ptr));
+        else if (const auto object = mPhysics->getObject(ptr))
+            mShouldUpdateNavigator = updateNavigatorObject(object) || mShouldUpdateNavigator;
     }
 
     void World::rotateObjectImp (const Ptr& ptr, const osg::Vec3f& rot, bool adjust)
@@ -1570,19 +1572,20 @@ namespace MWWorld
 
     void World::updateNavigator()
     {
-        bool updated = false;
-
         mPhysics->forEachAnimatedObject([&] (const MWPhysics::Object* object)
         {
-            updated = updateNavigatorObject(object) || updated;
+            mShouldUpdateNavigator = updateNavigatorObject(object) || mShouldUpdateNavigator;
         });
 
         for (const auto& door : mDoorStates)
             if (const auto object = mPhysics->getObject(door.first))
-                updated = updateNavigatorObject(object) || updated;
+                mShouldUpdateNavigator = updateNavigatorObject(object) || mShouldUpdateNavigator;
 
-        if (updated)
+        if (mShouldUpdateNavigator)
+        {
             mNavigator->update(getPlayerPtr().getRefData().getPosition().asVec3());
+            mShouldUpdateNavigator = false;
+        }
     }
 
     bool World::updateNavigatorObject(const MWPhysics::Object* object)
diff --git a/apps/openmw/mwworld/worldimp.hpp b/apps/openmw/mwworld/worldimp.hpp
index f0c28ea9e2..45653ded2e 100644
--- a/apps/openmw/mwworld/worldimp.hpp
+++ b/apps/openmw/mwworld/worldimp.hpp
@@ -112,6 +112,7 @@ namespace MWWorld
             std::string mUserDataPath;
 
             osg::Vec3f mDefaultHalfExtents;
+            bool mShouldUpdateNavigator = false;
 
             // not implemented
             World (const World&);
diff --git a/apps/openmw_test_suite/detournavigator/recastmeshobject.cpp b/apps/openmw_test_suite/detournavigator/recastmeshobject.cpp
index 9b30cadd7a..a3606f8273 100644
--- a/apps/openmw_test_suite/detournavigator/recastmeshobject.cpp
+++ b/apps/openmw_test_suite/detournavigator/recastmeshobject.cpp
@@ -69,4 +69,11 @@ namespace
         object.update(mTransform, AreaType_ground);
         EXPECT_FALSE(object.update(mTransform, AreaType_ground));
     }
+
+    TEST_F(DetourNavigatorRecastMeshObjectTest, update_for_changed_local_scaling_should_return_true)
+    {
+        RecastMeshObject object(mBoxShape, mTransform, AreaType_ground);
+        mBoxShape.setLocalScaling(btVector3(2, 2, 2));
+        EXPECT_TRUE(object.update(mTransform, AreaType_ground));
+    }
 }
diff --git a/components/detournavigator/recastmeshobject.cpp b/components/detournavigator/recastmeshobject.cpp
index 24d3e6b5a8..aac0b4c3c8 100644
--- a/components/detournavigator/recastmeshobject.cpp
+++ b/components/detournavigator/recastmeshobject.cpp
@@ -13,6 +13,7 @@ namespace DetourNavigator
         : mShape(shape)
         , mTransform(transform)
         , mAreaType(areaType)
+        , mLocalScaling(shape.getLocalScaling())
         , mChildren(makeChildrenObjects(shape, mAreaType))
     {
     }
@@ -30,6 +31,11 @@ namespace DetourNavigator
             mAreaType = areaType;
             result = true;
         }
+        if (!(mLocalScaling == mShape.get().getLocalScaling()))
+        {
+            mLocalScaling = mShape.get().getLocalScaling();
+            result = true;
+        }
         if (mShape.get().isCompound())
             result = updateCompoundObject(static_cast<const btCompoundShape&>(mShape.get()), mAreaType, mChildren)
                     || result;
diff --git a/components/detournavigator/recastmeshobject.hpp b/components/detournavigator/recastmeshobject.hpp
index aff4681222..f25647ae50 100644
--- a/components/detournavigator/recastmeshobject.hpp
+++ b/components/detournavigator/recastmeshobject.hpp
@@ -39,6 +39,7 @@ namespace DetourNavigator
             std::reference_wrapper<const btCollisionShape> mShape;
             btTransform mTransform;
             AreaType mAreaType;
+            btVector3 mLocalScaling;
             std::vector<RecastMeshObject> mChildren;
 
             static bool updateCompoundObject(const btCompoundShape& shape, const AreaType areaType,