Index: prey/core/functions
===================================================================
--- prey.orig/core/functions
+++ prey/core/functions
@@ -194,12 +194,12 @@ get_delay_for(){
 
 get_current_delay(){
 	# crontab -l | grep prey | sed "s/^..\([0-9]*\).*/\1/"
-	crontab -l 2> /dev/null | grep prey | head -1 | sed 's/ \/.*//'
+	sed -i 's/ \/.*//' /etc/cron.d/prey.cron
 }
 
 update_execution_delay(){
 	local full_path=$(full_path "$base_path")
-	(crontab -l 2> /dev/null | grep -v prey; echo "${1}" "${full_path}/prey.sh > /var/log/prey.log 2>&1") | crontab -
+	echo "${new_delay}" "/usr/bin/prey.sh > /var/log/prey.log" > /etc/cron.d/prey.cron
 }
 
 # if device is missing we'll make sure the current delay matches the one
@@ -273,7 +273,7 @@ verify_installation(){
 		log " !! Cron daemon not found! Try running it with 'sudo /etc/init.d/cron start'."
 	fi
 	log " -- Checking for crontab entry..."
-	local result=`crontab -l | grep 'prey.sh' | wc -l 2> /dev/null`
+	local result=`wc -l /etc/cron.d/prey.cron 2> /dev/null`
 	if [ "$result" -gt 0 ]; then
 		log " -- Found!"
 	else