diff --git a/headers/private/kernel/thread_types.h b/headers/private/kernel/thread_types.h
index d05d277cfb..09d49f0df0 100644
--- a/headers/private/kernel/thread_types.h
+++ b/headers/private/kernel/thread_types.h
@@ -72,6 +72,7 @@ struct process_group {
 	struct process_session *session;
 	pid_t				id;
 	sem_id				dead_child_sem;
+	int32				wait_for_any;
 	struct team			*teams;
 };