1 files changed, 1 insertions, 1 deletions

diff --git a/fs/proc/array.c b/fs/proc/array.c
index 70e4fab117b1..07c9cdbcdcac 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -351,7 +351,7 @@ static int do_task_stat(struct task_struct *task, char * buffer, int whole)
                 struct signal_struct *sig = task->signal;
 
                 if (sig->tty) {
-                        tty_pgrp = sig->tty->pgrp;
+                        tty_pgrp = pid_nr(sig->tty->pgrp);
                         tty_nr = new_encode_dev(tty_devnum(sig->tty));
                 }