diff --git a/apps/openmw/mwbase/world.hpp b/apps/openmw/mwbase/world.hpp
index d0ff851274..d1747a2e39 100644
--- a/apps/openmw/mwbase/world.hpp
+++ b/apps/openmw/mwbase/world.hpp
@@ -87,11 +87,6 @@ namespace MWWorld
     typedef std::vector<std::pair<MWWorld::Ptr,MWMechanics::Movement> > PtrMovementList;
 }
 
-namespace MWDialogue
-{
-    template <typename string_t, typename value_t> class KeywordSearch;
-}
-
 namespace MWBase
 {
     /// \brief Interface for the World (implemented in MWWorld)
@@ -155,7 +150,6 @@ namespace MWBase
             virtual MWWorld::ConstPtr getPlayerConstPtr() const = 0;
 
             virtual const MWWorld::ESMStore& getStore() const = 0;
-            virtual const MWDialogue::KeywordSearch<std::string, int>& getDialogIdKeywordSearch() = 0;
 
             virtual std::vector<ESM::ESMReader>& getEsmReader() = 0;
 
diff --git a/apps/openmw/mwdialogue/hypertextparser.cpp b/apps/openmw/mwdialogue/hypertextparser.cpp
index c1fb6c9c43..89a42bf2ea 100644
--- a/apps/openmw/mwdialogue/hypertextparser.cpp
+++ b/apps/openmw/mwdialogue/hypertextparser.cpp
@@ -48,7 +48,7 @@ namespace MWDialogue
         void tokenizeKeywords(const std::string & text, std::vector<Token> & tokens)
         {
             const auto& keywordSearch =
-                MWBase::Environment::get().getWorld()->getDialogIdKeywordSearch();
+                MWBase::Environment::get().getWorld()->getStore().get<ESM::Dialogue>().getDialogIdKeywordSearch();
 
             std::vector<KeywordSearch<std::string, int /*unused*/>::Match> matches;
             keywordSearch.highlightKeywords(text.begin(), text.end(), matches);
diff --git a/apps/openmw/mwworld/esmstore.hpp b/apps/openmw/mwworld/esmstore.hpp
index 855dd062e9..8582a1daca 100644
--- a/apps/openmw/mwworld/esmstore.hpp
+++ b/apps/openmw/mwworld/esmstore.hpp
@@ -284,9 +284,6 @@ namespace MWWorld
         /// Actors with the same ID share spells, abilities, etc.
         /// @return The shared spell list to use for this actor and whether or not it has already been initialized.
         std::pair<std::shared_ptr<MWMechanics::SpellList>, bool> getSpellList(const std::string& id) const;
-
-        const MWDialogue::KeywordSearch<std::string, int>& getDialogIdKeywordSearch() {
-            return mDialogs.getDialogIdKeywordSearch(); }
     };
 
     template <>
diff --git a/apps/openmw/mwworld/store.cpp b/apps/openmw/mwworld/store.cpp
index 1dc3ebf622..c767bd669a 100644
--- a/apps/openmw/mwworld/store.cpp
+++ b/apps/openmw/mwworld/store.cpp
@@ -1072,7 +1072,7 @@ namespace MWWorld
         return true;
     }
 
-    const MWDialogue::KeywordSearch<std::string, int>& Store<ESM::Dialogue>::getDialogIdKeywordSearch()
+    const MWDialogue::KeywordSearch<std::string, int>& Store<ESM::Dialogue>::getDialogIdKeywordSearch() const
     {
         if (mKeywordSearchModFlag)
         {
diff --git a/apps/openmw/mwworld/store.hpp b/apps/openmw/mwworld/store.hpp
index 58ac1e6780..1ec51ad5fd 100644
--- a/apps/openmw/mwworld/store.hpp
+++ b/apps/openmw/mwworld/store.hpp
@@ -452,8 +452,8 @@ namespace MWWorld
         /// @warning ESM::Dialogue Store currently implements a sorted order for unknown reasons.
         std::vector<ESM::Dialogue*> mShared;
 
-        bool mKeywordSearchModFlag;
-        MWDialogue::KeywordSearch<std::string, int /*unused*/> mKeywordSearch;
+        mutable bool mKeywordSearchModFlag;
+        mutable MWDialogue::KeywordSearch<std::string, int /*unused*/> mKeywordSearch;
 
     public:
         Store();
@@ -474,7 +474,7 @@ namespace MWWorld
 
         RecordId load(ESM::ESMReader &esm) override;
 
-        const MWDialogue::KeywordSearch<std::string, int>& getDialogIdKeywordSearch();
+        const MWDialogue::KeywordSearch<std::string, int>& getDialogIdKeywordSearch() const;
     };
 
 } //end namespace
diff --git a/apps/openmw/mwworld/worldimp.hpp b/apps/openmw/mwworld/worldimp.hpp
index bea7710a53..84d97ce37c 100644
--- a/apps/openmw/mwworld/worldimp.hpp
+++ b/apps/openmw/mwworld/worldimp.hpp
@@ -236,9 +236,6 @@ namespace MWWorld
 
             const MWWorld::ESMStore& getStore() const override;
 
-            const MWDialogue::KeywordSearch<std::string, int>& getDialogIdKeywordSearch() override {
-                return mStore.getDialogIdKeywordSearch(); }
-
             std::vector<ESM::ESMReader>& getEsmReader() override;
 
             LocalScripts& getLocalScripts() override;