diff --git a/intern/cycles/util/thread.h b/intern/cycles/util/thread.h

index 8d7dc45b03e..aa156f8690a 100644

--- a/intern/cycles/util/thread.h

+++ b/intern/cycles/util/thread.h

@@ -7,6 +7,7 @@

 #include <condition_variable>

 #include <functional>

 #include <mutex>

+#include <system_error>

 #include <queue>

 #include <thread>