diff --git a/tests/threadpooltester.cpp b/tests/threadpooltester.cpp
index be948f94f4c9b03c7a2642f7a1b9b06536a13590..4a5199f68ad7395c679a01c50c67f4f199620e1d 100644
--- a/tests/threadpooltester.cpp
+++ b/tests/threadpooltester.cpp
@@ -21,6 +21,7 @@
 
 #include "opendht/thread_pool.h"
 #include <atomic>
+#include <thread>
 
 namespace test {
 CPPUNIT_TEST_SUITE_REGISTRATION(ThreadPoolTester);