diff --git a/apps/openmw/mwworld/scene.cpp b/apps/openmw/mwworld/scene.cpp
index d054cd560..286721df4 100644
--- a/apps/openmw/mwworld/scene.cpp
+++ b/apps/openmw/mwworld/scene.cpp
@@ -28,7 +28,7 @@ namespace
         std::string model = Misc::ResourceHelpers::correctActorModelPath(ptr.getClass().getModel(ptr));
         std::string id = ptr.getClass().getId(ptr);
         if (id == "prisonmarker" || id == "divinemarker" || id == "templemarker" || id == "northmarker")
-            model = "";
+            model = ""; // marker objects that have a hardcoded function in the game logic, should be hidden from the player
         rendering.addObject(ptr, model);
         ptr.getClass().insertObject (ptr, model, physics);
     }
diff --git a/apps/openmw/mwworld/worldimp.cpp b/apps/openmw/mwworld/worldimp.cpp
index fbb0b5869..104605e65 100644
--- a/apps/openmw/mwworld/worldimp.cpp
+++ b/apps/openmw/mwworld/worldimp.cpp
@@ -2108,7 +2108,7 @@ namespace MWWorld
 
         const OEngine::Physic::PhysicActor *physactor = mPhysEngine->getCharacter(refdata.getHandle());
         if (!physactor)
-            return 0; // shouldn't happen
+            throw std::runtime_error("can't find player");
 
         if((!physactor->getOnGround()&&physactor->getCollisionMode()) || isUnderwater(currentCell, playerPos) || isWalkingOnWater(player))
             return 2;