diff --git a/src/thread_base.cc b/src/thread_base.cc
index 1e6b9c579..c8d45a3fd 100644
--- a/src/thread_base.cc
+++ b/src/thread_base.cc
@@ -5,6 +5,7 @@
 #include <cassert>
 #include <cstdlib>
 #include <cstring>
+#include <mutex>
 #include <rak/error_number.h>
 #include <torrent/exceptions.h>
 #include <torrent/torrent.h>
diff --git a/src/thread_worker.h b/src/thread_worker.h
index 4948c612d..0ef48f073 100644
--- a/src/thread_worker.h
+++ b/src/thread_worker.h
@@ -37,6 +37,7 @@
 #ifndef RTORRENT_THREAD_WORKER_H
 #define RTORRENT_THREAD_WORKER_H
 
+#include <atomic>
 #include "thread_base.h"
 
 #include <rak/priority_queue_default.h>