diff --git a/thread.h b/thread.h
index d20d578fce..e82841e02a 100644
--- a/thread.h
+++ b/thread.h
@@ -65,6 +65,8 @@ void scond_signal(scond_t *cond);
 #include <psputils.h>
 #elif defined(_WIN32) && !defined(_XBOX)
 #include <windows.h>
+#elif defined(_XBOX)
+#include <xtl.h>
 #else
 #include <time.h>
 #endif