--- a/thermferm/devices.c	Thu Nov 26 22:52:48 2015 +0100
+++ b/thermferm/devices.c	Fri Nov 27 22:00:23 2015 +0100
@@ -953,6 +953,8 @@
 	     */
 	    usleep(10000);
 	}
+	if (my_shutdown)
+	    break;
 	/*
 	 * Delay a bit after all devices
 	 */