diff --git a/drivers/char/nwbutton.c b/drivers/char/nwbutton.c
index 7c57ebf..ea1aa77 100644
--- a/drivers/char/nwbutton.c
+++ b/drivers/char/nwbutton.c
@@ -127,9 +127,8 @@
 static void button_sequence_finished (unsigned long parameters)
 {
 #ifdef CONFIG_NWBUTTON_REBOOT		/* Reboot using button is enabled */
-	if (button_press_count == reboot_count) {
-		kill_proc (1, SIGINT, 1);	/* Ask init to reboot us */
-	}
+	if (button_press_count == reboot_count)
+		kill_cad_pid(SIGINT, 1);	/* Ask init to reboot us */
 #endif /* CONFIG_NWBUTTON_REBOOT */
 	button_consume_callbacks (button_press_count);
 	bcount = sprintf (button_output_buffer, "%d\n", button_press_count);