diff --git a/indexer/data_header.cpp b/indexer/data_header.cpp
index 184e7ce5d3..dc5fd28e8e 100644
--- a/indexer/data_header.cpp
+++ b/indexer/data_header.cpp
@@ -1,6 +1,6 @@
 #include "data_header.hpp"
-
-#include "../indexer/point_to_int64.hpp"
+#include "point_to_int64.hpp"
+#include "scales.hpp"
 
 #include "../coding/file_reader.hpp"
 #include "../coding/file_writer.hpp"
@@ -42,6 +42,20 @@ namespace feature
       m_scales[i] = static_cast<uint8_t>(arr[i]);
   }
 
+  pair<int, int> DataHeader::GetScaleRange() const
+  {
+    pair<int, int> ret(0, scales::GetUpperScale());
+
+    int const bound = scales::GetUpperWorldScale();
+
+    if (m_scales.front() > bound)
+      ret.first = bound+1;
+    if (m_scales.back() <= bound)
+      ret.second = bound;
+
+    return ret;
+  }
+
   void DataHeader::Save(FileWriter & w) const
   {
     WriteToSink(w, m_base);
diff --git a/indexer/data_header.hpp b/indexer/data_header.hpp
index 979b258c39..d985fb1b6d 100644
--- a/indexer/data_header.hpp
+++ b/indexer/data_header.hpp
@@ -36,6 +36,7 @@ namespace feature
     void SetScales(int * arr);
     size_t GetScalesCount() const { return m_scales.size(); }
     int GetScale(int i) const { return m_scales[i]; }
+    pair<int, int> GetScaleRange() const;
 
     /// @name Serialization
     //@{
diff --git a/indexer/feature_impl.hpp b/indexer/feature_impl.hpp
index 0b18c2beb6..6f37b3ce75 100644
--- a/indexer/feature_impl.hpp
+++ b/indexer/feature_impl.hpp
@@ -22,7 +22,7 @@ namespace feature
   }
 
 
-  static int g_arrWorldScales[] = { 2, 4, 5, 6 };       // 6 = upper scale for world.mwm visibility
+  static int g_arrWorldScales[] = { 2, 4, 5, 6 };       // 6 = scales::GetUpperWorldScale()
   static int g_arrCountryScales[] = { 7, 10, 14, 17 };  // 17 = scales::GetUpperScale()
 
   inline string GetTagForIndex(char const * prefix, int ind)
diff --git a/indexer/index.hpp b/indexer/index.hpp
index 70a0a9f125..d8172ea4fb 100644
--- a/indexer/index.hpp
+++ b/indexer/index.hpp
@@ -219,14 +219,16 @@ private:
       // TODO: If path is cellid-style-square, make rect from cellid and don't open the file.
       feature::DataHeader header;
       header.Load(FilesContainerR(path).GetReader(HEADER_FILE_TAG));
+
       m_Rect = header.GetBounds();
+      m_scaleRange = header.GetScaleRange();
     }
 
     // TODO: GetIndex(), Open() and Close() make Index single-threaded!
-    IndexT * GetIndex(uint32_t /*scale*/, m2::RectD const & occlusionRect)
+    IndexT * GetIndex(uint32_t scale, m2::RectD const & occlusionRect)
     {
-      // TODO: Scale should also be taken into account, to skip irrelevant mwm files.
-      if (m_Rect.IsIntersect(occlusionRect))
+      if ((m_scaleRange.first <= scale && scale <= m_scaleRange.second) &&
+          m_Rect.IsIntersect(occlusionRect))
       {
         Open();
         m_QueriesSkipped = 0;
@@ -278,8 +280,10 @@ private:
       }
     }
 
-    m2::RectD m_Rect;
     string m_Path; // TODO: Store prefix and suffix of path in MultiIndexAdapter.
+    m2::RectD m_Rect;
+    pair<int, int> m_scaleRange;
+
     IndexT * m_pIndex;
     uint8_t m_QueriesSkipped;
   };
diff --git a/indexer/scales.hpp b/indexer/scales.hpp
index 0d862ef10c..6fd46a9ee8 100644
--- a/indexer/scales.hpp
+++ b/indexer/scales.hpp
@@ -5,6 +5,7 @@
 namespace scales
 {
   inline int GetUpperScale() { return 17; }
+  inline int GetUpperWorldScale() { return 6; }
 
   double GetM2PFactor(int level);
   int GetScaleLevel(double ratio);