diff --git a/app/Services/TG/Hook/Mod/Book.php b/app/Services/TG/Hook/Mod/Book.php
index 9c4afbb0..1a009fe5 100644
--- a/app/Services/TG/Hook/Mod/Book.php
+++ b/app/Services/TG/Hook/Mod/Book.php
@@ -57,7 +57,7 @@ class Book extends Base {
         ModelBookHook::_cd($sPath);
         $this->sPath = $sPath;
         
-        $this->optionIn();
+        $this->_optionIn();
     }
     
     private function _valid($aValid)