diff --git a/headers/private/kernel/syscalls.h b/headers/private/kernel/syscalls.h
index 119be3ae98..dbebe7c94e 100644
--- a/headers/private/kernel/syscalls.h
+++ b/headers/private/kernel/syscalls.h
@@ -232,6 +232,7 @@ extern port_id		_kern_install_team_debugger(team_id team,
 						port_id debuggerPort);
 extern status_t		_kern_remove_team_debugger(team_id team);
 extern status_t		_kern_debug_thread(thread_id thread);
+extern void			_kern_wait_for_debugger(void);
 
 
 /* atomic_* ops (needed for CPUs that don't support them directly) */
diff --git a/headers/private/kernel/user_debugger.h b/headers/private/kernel/user_debugger.h
index 43fb208a45..4162672d3c 100644
--- a/headers/private/kernel/user_debugger.h
+++ b/headers/private/kernel/user_debugger.h
@@ -151,6 +151,7 @@ status_t	_user_install_default_debugger(port_id debuggerPort);
 port_id		_user_install_team_debugger(team_id team, port_id debuggerPort);
 status_t	_user_remove_team_debugger(team_id team);
 status_t	_user_debug_thread(thread_id thread);
+void		_user_wait_for_debugger(void);
 
 
 #ifdef __cplusplus