diff --git a/bundles/apt/files/check_unattended_upgrades b/bundles/apt/files/check_unattended_upgrades
index 9256fad..aa315ce 100644
--- a/bundles/apt/files/check_unattended_upgrades
+++ b/bundles/apt/files/check_unattended_upgrades
@@ -8,8 +8,8 @@ then
 fi
 
 mtime=$(stat -c %Y $statusfile)
-now=$(date +$s)
-if (( $now - $mtime > 60*60*8 ))
+now=$(date +%s)
+if (( $now - $mtime > 60*60*24*8 ))
 then
     echo "Status file is older than 8 days!"
     exit 3