diff --git a/daemon/table/fib-entry.hpp b/daemon/table/fib-entry.hpp
index 3f7d8b7..e30f9d7 100644
--- a/daemon/table/fib-entry.hpp
+++ b/daemon/table/fib-entry.hpp
@@ -69,7 +69,7 @@
 
   /// adds a nexthop
   void
-  addNextHop(shared_ptr<Face> face, int32_t cost);
+  addNextHop(shared_ptr<Face> face, uint64_t cost);
 
   /// removes a nexthop
   void