diff --git a/include/ntapi/nt_daemon.h b/include/ntapi/nt_daemon.h
index c3734c6..0b44e86 100644
--- a/include/ntapi/nt_daemon.h
+++ b/include/ntapi/nt_daemon.h
@@ -54,6 +54,7 @@ typedef struct _nt_daemon_params {
 	wchar16_t *		port_name;
 	nt_port_keys *		port_keys;
 	nt_port_name_keys *	port_name_keys;
+	nt_sd *			port_sd;
 	uintptr_t		port_msg_size;
 	nt_daemon_routine *	daemon_once_routine;
 	nt_daemon_routine *	daemon_loop_routine;
diff --git a/src/daemon/ntapi_dsr_init.c b/src/daemon/ntapi_dsr_init.c
index 6e3951f..8f29eec 100644
--- a/src/daemon/ntapi_dsr_init.c
+++ b/src/daemon/ntapi_dsr_init.c
@@ -234,7 +234,7 @@ int32_t __stdcall __ntapi_dsr_create_port(nt_daemon_params * params)
 	oa.root_dir	= (void *)0;
 	oa.obj_name	= &server_name;
 	oa.obj_attr	= 0;
-	oa.sec_desc	= (nt_security_descriptor *)0;
+	oa.sec_desc	= params->port_sd;
 	oa.sec_qos	= &sqos;
 
 	/* create the port */