diff --git a/tests/daemon/fw/topology-tester.cpp b/tests/daemon/fw/topology-tester.cpp
index ce7bc26..3007f38 100644
--- a/tests/daemon/fw/topology-tester.cpp
+++ b/tests/daemon/fw/topology-tester.cpp
@@ -242,7 +242,8 @@
 {
   Forwarder& forwarder = this->getForwarder(i);
   Fib& fib = forwarder.getFib();
-  fib.insert(prefix).first->addOrUpdateNextHop(const_cast<Face&>(face), cost);
+  fib::Entry* entry = fib.insert(prefix).first;
+  fib.addOrUpdateNextHop(*entry, const_cast<Face&>(face), cost);
 }
 
 void