diff --git a/fs/proc/base.c b/fs/proc/base.c
index 92e37e224cd22d66d0b9675f1790e110d5e7b415..0d163a84082dbddc846a871a46cfd75aa1eddfb8 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -434,7 +434,7 @@ static int proc_pid_wchan(struct seq_file *m, struct pid_namespace *ns,
 			&& !lookup_symbol_name(wchan, symname))
 		seq_printf(m, "%s", symname);
 	else
-		seq_puts(m, "0\n");
+		seq_putc(m, '0');
 
 	return 0;
 }