diff --git a/fs/proc/array.c b/fs/proc/array.c
index b0cd014..70e4fab 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -381,7 +381,7 @@
 			stime = cputime_add(stime, sig->stime);
 		}
 
-		sid = sig->session;
+		sid = signal_session(sig);
 		pgid = process_group(task);
 		ppid = rcu_dereference(task->real_parent)->tgid;