diff --git a/libraries/legacy/error/error.php b/libraries/legacy/error/error.php
index 63e705b4124eb..9599b4b6c9d13 100644
--- a/libraries/legacy/error/error.php
+++ b/libraries/legacy/error/error.php
@@ -808,6 +808,7 @@ public static function customErrorPage(&$error)
 				$app->allowCache(false);
 
 				$app->setBody($data);
+				$app->triggerEvent('onAfterRender');
 				echo $app->toString();
 			}
 		}