diff --git a/drape_frontend/visual_params.hpp b/drape_frontend/visual_params.hpp
index 85e67a0346..7eecb264ad 100644
--- a/drape_frontend/visual_params.hpp
+++ b/drape_frontend/visual_params.hpp
@@ -123,21 +123,25 @@ public:
   ArrayView(ArrayView &&) = default;
 
   size_t size() const { return m_size; }
-  T operator[](size_t i) const
+  T const & operator[](size_t i) const
   {
     ASSERT_LESS(i, m_size, ());
     return m_arr[i];
   }
+  T const & back() const
+  {
+    ASSERT_GREATER(m_size, 0, ());
+    return m_arr[m_size - 1];
+  }
 };
 
 template <class ArrayT> typename ArrayT::value_type
 InterpolateByZoomLevels(int index, float lerpCoef, ArrayT const & values)
 {
   ASSERT_GREATER_OR_EQUAL(index, 0, ());
-  ASSERT_GREATER(values.size(), scales::UPPER_STYLE_SCALE, ());
-  if (index < scales::UPPER_STYLE_SCALE)
+  if (index + 1 < values.size())
     return values[index] + (values[index + 1] - values[index]) * lerpCoef;
-  return values[scales::UPPER_STYLE_SCALE];
+  return values.back();
 }
 
 double GetNormalizedZoomLevel(double screenScale, int minZoom = 1);