diff --git a/fs/proc/base.c b/fs/proc/base.c
index ae36273..42cb4f5 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -283,7 +283,7 @@
 static int proc_pid_wchan(struct task_struct *task, char *buffer)
 {
 	unsigned long wchan;
-	char symname[KSYM_NAME_LEN+1];
+	char symname[KSYM_NAME_LEN];
 
 	wchan = get_wchan(task);