diff --git a/freifunk/freifunk b/freifunk/freifunk
index af0c9d2..46bbd4f 100644
--- a/freifunk/freifunk
+++ b/freifunk/freifunk
@@ -1,8 +1,8 @@
 #/bin/sh
 cd /home/openhabian/freifunk
-rm -f freifunk
 rm -f 00:11:22:33:44:55
 wget -q https://nodealarm.freifunk-stuttgart.de/00:11:22:33:44:55
-sed "s/\[//g" <00:11:22:33:44:55 >freifunk
-mv freifunk 00:11:22:33:44:55
-sed "s/\]//g" <00:11:22:33:44:55 >freifunk
+sed "s/\[//g" <00:11:22:33:44:55 >freifunk.neu
+mv freifunk.neu 00:11:22:33:44:55
+sed "s/\]//g" <00:11:22:33:44:55 >freifunk.neu
+mv -f freifunk.neu freifunk