From 83c098f9e5eba0a880417fc02b6f10cafa53d48d Mon Sep 17 00:00:00 2001
From: Vladimir Byko-Ianko <v.bykoianko@corp.mail.ru>
Date: Fri, 29 Jul 2016 11:32:53 +0300
Subject: [PATCH] Bugfix. Building pedestrian and bicycle routes with maps
 without altitude section.

---
 indexer/altitude_loader.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/indexer/altitude_loader.cpp b/indexer/altitude_loader.cpp
index f253056543..a794c96537 100644
--- a/indexer/altitude_loader.cpp
+++ b/indexer/altitude_loader.cpp
@@ -54,7 +54,10 @@ AltitudeLoader::AltitudeLoader(MwmValue const & mwmValue)
   }
 }
 
-bool AltitudeLoader::HasAltitudes() const { return m_header.m_minAltitude != kInvalidAltitude; }
+bool AltitudeLoader::HasAltitudes() const
+{
+  return m_reader != nullptr && m_header.m_minAltitude != kInvalidAltitude;
+}
 
 TAltitudes const & AltitudeLoader::GetAltitudes(uint32_t featureId, size_t pointCount)
 {