diff --git a/includes/common.inc b/includes/common.inc
index 3a016f11a61..4f164267636 100644
--- a/includes/common.inc
+++ b/includes/common.inc
@@ -5581,7 +5581,7 @@ function drupal_cron_run() {
       // Log a message saying that the cron event ended.
       watchdog('cron', 'Execution of @module_cron() took @time.', array(
         '@module' => $module,
-        '@time' => timer_read('cron_' . $module_previous) . 'ms',
+        '@time' => timer_read('cron_' . $module) . 'ms',
       ), WATCHDOG_NOTICE);
     }