diff --git a/apps/openmw/mwworld/localscripts.cpp b/apps/openmw/mwworld/localscripts.cpp
index 030a41891..46d0b3cc2 100644
--- a/apps/openmw/mwworld/localscripts.cpp
+++ b/apps/openmw/mwworld/localscripts.cpp
@@ -63,7 +63,7 @@ namespace
 
 MWWorld::LocalScripts::LocalScripts (const MWWorld::ESMStore& store) : mStore (store) {}
 
-void MWWorld::LocalScripts::setIgnore (const Ptr& ptr)
+void MWWorld::LocalScripts::setIgnore (const ConstPtr& ptr)
 {
     mIgnore = ptr;
 }
diff --git a/apps/openmw/mwworld/localscripts.hpp b/apps/openmw/mwworld/localscripts.hpp
index 5a156a2e9..6ef4633a1 100644
--- a/apps/openmw/mwworld/localscripts.hpp
+++ b/apps/openmw/mwworld/localscripts.hpp
@@ -17,14 +17,14 @@ namespace MWWorld
     {
             std::list<std::pair<std::string, Ptr> > mScripts;
             std::list<std::pair<std::string, Ptr> >::iterator mIter;
-            MWWorld::Ptr mIgnore;
+            MWWorld::ConstPtr mIgnore;
             const MWWorld::ESMStore& mStore;
 
         public:
 
             LocalScripts (const MWWorld::ESMStore& store);
 
-            void setIgnore (const Ptr& ptr);
+            void setIgnore (const ConstPtr& ptr);
             ///< Mark a single reference for ignoring during iteration over local scripts (will revoke
             /// previous ignores).