diff --git a/headers/private/kernel/arch/thread.h b/headers/private/kernel/arch/thread.h
index 59928c90a4..8a094a3a12 100644
--- a/headers/private/kernel/arch/thread.h
+++ b/headers/private/kernel/arch/thread.h
@@ -14,11 +14,12 @@
 extern "C" {
 #endif
 
-int arch_team_init_team_struct(struct team *t, bool kernel);
-int arch_thread_init_thread_struct(struct thread *t);
+status_t arch_thread_init(struct kernel_args *args);
+status_t arch_team_init_team_struct(struct team *t, bool kernel);
+status_t arch_thread_init_thread_struct(struct thread *t);
 void arch_thread_init_tls(struct thread *thread);
 void arch_thread_context_switch(struct thread *t_from, struct thread *t_to);
-int arch_thread_init_kthread_stack(struct thread *t, int (*start_func)(void), void (*entry_func)(void), void (*exit_func)(void));
+status_t arch_thread_init_kthread_stack(struct thread *t, int (*start_func)(void), void (*entry_func)(void), void (*exit_func)(void));
 void arch_thread_dump_info(void *info);
 void arch_thread_enter_uspace(struct thread *t, addr_t entry, void *args1, void *args2);
 void arch_thread_switch_kstack_and_call(struct thread *t, addr_t new_kstack, void (*func)(void *), void *arg);