diff --git a/intaro.intarocrm/install/index.php b/intaro.intarocrm/install/index.php
index 4ceff690..47d3be15 100644
--- a/intaro.intarocrm/install/index.php
+++ b/intaro.intarocrm/install/index.php
@@ -80,6 +80,7 @@ class intaro_intarocrm extends CModule {
         include($this->INSTALL_PATH . '/../classes/general/Response/ApiResponse.php');
         include($this->INSTALL_PATH . '/../classes/general/ICrmOrderActions.php');
         include($this->INSTALL_PATH . '/../classes/general/ICMLLoader.php');
+        include($this->INSTALL_PATH . '/../classes/general/Logger.php');
         include($this->INSTALL_PATH . '/../classes/general/Exception/InvalidJsonException.php');
         include($this->INSTALL_PATH . '/../classes/general/Exception/CurlException.php');
         include($this->INSTALL_PATH . '/../classes/general/RestNormalizer.php');