diff --git a/src/route/routing-table-calculator.hpp b/src/route/routing-table-calculator.hpp
index 0a40a1c..683eb58 100644
--- a/src/route/routing-table-calculator.hpp
+++ b/src/route/routing-table-calculator.hpp
@@ -200,6 +200,7 @@
   static const int EMPTY_PARENT;
   static const double INF_DISTANCE;
   static const int NO_MAPPING_NUM;
+public:
   static const int NO_NEXT_HOP;
 
 };