--- irda-utils-0.9.14/etc/irda.rc.typo	Tue Apr 24 15:44:12 2001
+++ irda-utils-0.9.14/etc/irda.rc	Tue Apr 24 15:45:17 2001
@@ -36,7 +36,7 @@
 [ -f /usr/sbin/irattach ] || exit 0
 
 ARGS=
-if [ $DONGLE ]; then
+if [ -n "$DONGLE" ]; then
 	ARGS="$ARGS -d $DONGLE"
 fi
 if [ "$DISCOVERY" = "yes" ];then