diff --git a/apps/openmw/mwworld/ptr.cpp b/apps/openmw/mwworld/ptr.cpp
index 5570856132..2a64507348 100644
--- a/apps/openmw/mwworld/ptr.cpp
+++ b/apps/openmw/mwworld/ptr.cpp
@@ -40,7 +40,7 @@ namespace MWWorld
     void SafePtr::update() const
     {
         const PtrRegistry& registry = MWBase::Environment::get().getWorldModel()->getPtrRegistry();
-        if (mLastUpdate < registry.getRevision())
+        if (mLastUpdate != registry.getRevision())
         {
             mPtr = registry.getOrDefault(mId);
             mLastUpdate = registry.getRevision();