--- poormanscron.module.1.21.2.1	Mon Aug 11 15:04:18 2008
+++ poormanscron.module	Tue Aug 12 13:36:10 2008
@@ -32,8 +32,10 @@ function poormanscron_exit() {
   $lastrun = variable_get('poormanscron_lastrun', 0);
   $nextrun = $lastrun + 60 * variable_get('poormanscron_interval', 60);
 
-  // If the configured time has passed, start the next poormanscron run.
-  if (time() > $nextrun) {
+  // If the configured time has passed and if Drupal's page cache has not been
+  // used to serve the current page request (hence a full Drupal bootstrap
+  // will have been performed by now), start the next poormanscron run.
+  if (time() > $nextrun && !page_get_cache(TRUE)) {
 
     // If this cron run fails to complete, wait a few minutes before retrying.
     variable_set('poormanscron_lastrun',