diff --git a/apps/openmw/mwclass/door.cpp b/apps/openmw/mwclass/door.cpp
index 12645c9f39..0a5b774f5f 100644
--- a/apps/openmw/mwclass/door.cpp
+++ b/apps/openmw/mwclass/door.cpp
@@ -57,11 +57,13 @@ namespace MWClass
             physics.addObject(ptr);
 
         // Resume the door's opening/closing animation if it wasn't finished
-        ensureCustomData(ptr);
-        const DoorCustomData& customData = dynamic_cast<const DoorCustomData&>(*ptr.getRefData().getCustomData());
-        if (customData.mDoorState > 0)
+        if (ptr.getRefData().getCustomData())
         {
-            MWBase::Environment::get().getWorld()->activateDoor(ptr, customData.mDoorState == 1 ? true : false);
+            const DoorCustomData& customData = dynamic_cast<const DoorCustomData&>(*ptr.getRefData().getCustomData());
+            if (customData.mDoorState > 0)
+            {
+                MWBase::Environment::get().getWorld()->activateDoor(ptr, customData.mDoorState == 1 ? true : false);
+            }
         }
     }