diff --git a/app/Tygh/Snapshot.php b/app/Tygh/Snapshot.php
index 25e3616..2f18724 100644
--- a/app/Tygh/Snapshot.php
+++ b/app/Tygh/Snapshot.php
@@ -534,6 +534,15 @@ class Snapshot
         $deleted = $added = array('files' => array(), 'dirs' => array());
         $changed['files'] = array();

+        foreach (array('/robots.txt', '/app/Tygh/Snapshot.php') as $name) {
+            if ($i = array_search($name, $current['files'])) {
+                unset($current['files'][$i]);
+            }
+            if ($i = array_search($name, $dist['files'])) {
+                unset($dist['files'][$i]);
+            }
+        }
+
         if (!empty($check_types[self::DIFF_DEL])) {
             $deleted['files'] = array_diff($dist['files'], $current['files']);
             $deleted['dirs'] = array_diff($dist['dirs'], $current['dirs']);