--- a/tests/plugin-plugin/main.cpp	Tue Oct 31 10:48:06 2017 +0100
+++ b/tests/plugin-plugin/main.cpp	Fri Oct 27 21:45:32 2017 +0200
@@ -23,6 +23,7 @@
 #include <irccd/logger.hpp>
 #include <irccd/server.hpp>
 #include <irccd/service.hpp>
+#include <irccd/string_util.hpp>
 
 #include "plugin_test.hpp"
 
@@ -110,7 +111,7 @@
 BOOST_AUTO_TEST_CASE(format_too_long)
 {
     for (int i = 0; i < 100; ++i)
-        irccd_.plugins().add(std::make_shared<plugin>(util::sprintf("plugin-n-%d", i), ""));
+        irccd_.plugins().add(std::make_shared<plugin>(string_util::sprintf("plugin-n-%d", i), ""));
 
     plugin_->on_command(irccd_, {server_, "jean!jean@localhost", "#staff", "list"});