diff --git a/daemon/table/fib-nexthop.cpp b/daemon/table/fib-nexthop.cpp
index 178d853..6fec93f 100644
--- a/daemon/table/fib-nexthop.cpp
+++ b/daemon/table/fib-nexthop.cpp
@@ -26,12 +26,12 @@
 }
 
 void
-NextHop::setCost(int32_t cost)
+NextHop::setCost(uint32_t cost)
 {
   m_cost = cost;
 }
 
-int32_t
+uint32_t
 NextHop::getCost() const
 {
   return m_cost;
diff --git a/daemon/table/fib-nexthop.hpp b/daemon/table/fib-nexthop.hpp
index 41c121b..4dc2b65 100644
--- a/daemon/table/fib-nexthop.hpp
+++ b/daemon/table/fib-nexthop.hpp
@@ -29,14 +29,14 @@
   getFace() const;
   
   void
-  setCost(int32_t cost);
+  setCost(uint32_t cost);
   
-  int32_t
+  uint32_t
   getCost() const;
 
 private:
   shared_ptr<Face> m_face;
-  int32_t m_cost;
+  uint32_t m_cost;
 };
 
 } // namespace fib