diff --git a/openwrt-add-temper.sh b/openwrt-add-temper.sh
index 96d6635..585f772 100755
--- a/openwrt-add-temper.sh
+++ b/openwrt-add-temper.sh
@@ -25,6 +25,10 @@ mv temper-py-0.0.1/temper.py /usr/bin
 rmdir temper-py-0.0.1
 chmod a+rx /usr/bin/temper.py
 
+if ! grep -q temper /etc/crontabs/root; then
+   echo "*/5 * * * * /usr/bin/temper.py  awk '{ print $7 " " $8 }' > /www/temperature.txt" >> /etc/crontabs/root
+fi
+
 EOF
 
 exit 0