diff --git a/atlas.json b/atlas.json
index 5297c7ae7..59e6390f9 100644
--- a/atlas.json
+++ b/atlas.json
@@ -29,14 +29,14 @@
     },
     "epub": {
       "index": false,
-      "toc": false,
-      "epubcheck": false,
+      "toc": true,
+      "epubcheck": true,
       "syntaxhighlighting": false,
       "show_comments": false
     },
     "mobi": {
       "index": false,
-      "toc": false,
+      "toc": true,
       "syntaxhighlighting": false,
       "show_comments": false
     },