diff --git a/src/thread_safe.h b/src/thread_safe.h
index 1f29761f1e2..6db1e9ecd6c 100644
--- a/src/thread_safe.h
+++ b/src/thread_safe.h
@@ -3,6 +3,7 @@
 #ifndef SUNSHINE_THREAD_SAFE_H
 #define SUNSHINE_THREAD_SAFE_H
 
+#include <array>
 #include <atomic>
 #include <condition_variable>
 #include <functional>