1 files changed, 4 insertions, 1 deletions
diff --git a/proc/msg.c b/proc/msg.c
index b1abdaac..f7ba1b5e 100644
--- a/proc/msg.c
+++ b/proc/msg.c
@@ -47,12 +47,15 @@ error_t
 S_proc_setmsgport (struct proc *p,
 		   mach_port_t reply, mach_msg_type_name_t replytype,
 		   mach_port_t msgport,
-		   mach_port_t *oldmsgport)
+		   mach_port_t *oldmsgport,
+		   mach_msg_type_name_t *oldmsgport_type)
 {
   if (!p)
     return EOPNOTSUPP;
 
   *oldmsgport = p->p_msgport;
+  *oldmsgport_type = MACH_MSG_TYPE_COPY_SEND;
+
   p->p_msgport = msgport;
   p->p_deadmsg = 0;
   if (p->p_checkmsghangs)