diff --git a/indexer/index.cpp b/indexer/index.cpp
index 90a6139419..cf03bfce3f 100644
--- a/indexer/index.cpp
+++ b/indexer/index.cpp
@@ -117,7 +117,7 @@ bool Index::FeaturesLoaderGuard::IsWorld() const
   return m_handle.GetValue<MwmValue>()->GetHeader().GetType() == feature::DataHeader::world;
 }
 
-void Index::FeaturesLoaderGuard::GetFeatureByIndex(uint32_t index, FeatureType & ft)
+void Index::FeaturesLoaderGuard::GetFeatureByIndex(uint32_t index, FeatureType & ft) const
 {
   m_vector.GetByIndex(index, ft);
   ft.SetID(FeatureID(m_handle.GetId(), index));
diff --git a/indexer/index.hpp b/indexer/index.hpp
index d27f2c9d76..5e01ce068a 100644
--- a/indexer/index.hpp
+++ b/indexer/index.hpp
@@ -249,7 +249,7 @@ public:
     inline MwmSet::MwmId GetId() const { return m_handle.GetId(); }
     string GetCountryFileName() const;
     bool IsWorld() const;
-    void GetFeatureByIndex(uint32_t index, FeatureType & ft);
+    void GetFeatureByIndex(uint32_t index, FeatureType & ft) const;
     inline FeaturesVector const & GetFeaturesVector() const { return m_vector; }
 
   private: