diff --git a/src/Editor/ResourceBrowser/CResourceProxyModel.cpp b/src/Editor/ResourceBrowser/CResourceProxyModel.cpp
index 798608e9..b22d7fce 100644
--- a/src/Editor/ResourceBrowser/CResourceProxyModel.cpp
+++ b/src/Editor/ResourceBrowser/CResourceProxyModel.cpp
@@ -103,7 +103,7 @@ bool CResourceProxyModel::filterAcceptsRow(int SourceRow, const QModelIndex& rkS
     return true;
 }
 
-void CResourceProxyModel::SetTypeFilter(CResTypeInfo *pInfo, bool Allow)
+void CResourceProxyModel::SetTypeFilter(const CResTypeInfo *pInfo, bool Allow)
 {
     if (Allow)
         mTypeFilter.insert(pInfo);
@@ -111,7 +111,7 @@ void CResourceProxyModel::SetTypeFilter(CResTypeInfo *pInfo, bool Allow)
         mTypeFilter.remove(pInfo);
 }
 
-bool CResourceProxyModel::IsTypeAccepted(CResTypeInfo* pTypeInfo) const
+bool CResourceProxyModel::IsTypeAccepted(const CResTypeInfo* pTypeInfo) const
 {
     return mTypeFilter.isEmpty() || mTypeFilter.contains(pTypeInfo);
 }
diff --git a/src/Editor/ResourceBrowser/CResourceProxyModel.h b/src/Editor/ResourceBrowser/CResourceProxyModel.h
index 9da9e23b..d1626149 100644
--- a/src/Editor/ResourceBrowser/CResourceProxyModel.h
+++ b/src/Editor/ResourceBrowser/CResourceProxyModel.h
@@ -25,10 +25,10 @@ public:
     bool lessThan(const QModelIndex& rkLeft, const QModelIndex& rkRight) const override;
     bool filterAcceptsRow(int SourceRow, const QModelIndex& rkSourceParent) const override;
 
-    void SetTypeFilter(CResTypeInfo *pInfo, bool Allow);
+    void SetTypeFilter(const CResTypeInfo *pInfo, bool Allow);
     void ClearTypeFilter() { mTypeFilter.clear(); }
     bool HasTypeFilter() const { return !mTypeFilter.isEmpty(); }
-    bool IsTypeAccepted(CResTypeInfo* pTypeInfo) const;
+    bool IsTypeAccepted(const CResTypeInfo* pTypeInfo) const;
 
     void SetSortMode(ESortMode Mode);
 
@@ -39,7 +39,7 @@ private:
     CResourceTableModel *mpModel = nullptr;
     TString mSearchString;
     ESortMode mSortMode{};
-    QSet<CResTypeInfo*> mTypeFilter;
+    QSet<const CResTypeInfo*> mTypeFilter;
 
     uint64_t mCompareID = 0;
     uint64_t mCompareMask = 0;