diff --git a/tests/daemon/rib/service.t.cpp b/tests/daemon/rib/service.t.cpp
index 156257b..e732e07 100644
--- a/tests/daemon/rib/service.t.cpp
+++ b/tests/daemon/rib/service.t.cpp
@@ -33,7 +33,9 @@
 namespace rib {
 namespace tests {
 
-BOOST_FIXTURE_TEST_SUITE(TestService, nfd::tests::RibIoFixture)
+using namespace nfd::tests;
+
+BOOST_FIXTURE_TEST_SUITE(TestService, RibIoFixture)
 
 BOOST_AUTO_TEST_CASE(Basic)
 {