diff --git a/cron/generate_indieblog_daily_rss.php b/cron/generate_indieblog_daily_rss.php
index 097a3a5..44d0429 100644
--- a/cron/generate_indieblog_daily_rss.php
+++ b/cron/generate_indieblog_daily_rss.php
@@ -133,10 +133,10 @@ $channel->addChild('language', 'en');
 
 $newEntries = [];
 foreach ($groupedByDay as $day => $items) {
-    if (time() - strtotime($day) < 172800) {
+    if (time() - strtotime($day) < (2 * 24 * 60 * 60)) {
         continue;
     }
-    if (time() - strtotime($day) > 259200) {
+    if (time() - strtotime($day) > (3 * 24 * 60 * 60)) {
         continue;
     }
     if (count($items) < 10) {