diff --git a/tests/daemon/mgmt/fib-manager.t.cpp b/tests/daemon/mgmt/fib-manager.t.cpp
index 3e5ee0e..f03b7b9 100644
--- a/tests/daemon/mgmt/fib-manager.t.cpp
+++ b/tests/daemon/mgmt/fib-manager.t.cpp
@@ -38,8 +38,9 @@
   FibManagerFixture()
     : m_fib(m_forwarder.getFib())
     , m_faceTable(m_forwarder.getFaceTable())
-    , m_manager(m_fib, m_faceTable, m_dispatcher, m_validator)
+    , m_manager(m_fib, m_faceTable, m_dispatcher, *m_authenticator)
   {
+    setTopPrefix();
     setPrivilege("fib");
   }