diff --git a/src/mibew/install/index.php b/src/mibew/install/index.php
index eff567b1..d8792887 100644
--- a/src/mibew/install/index.php
+++ b/src/mibew/install/index.php
@@ -55,7 +55,7 @@ require_once(MIBEW_FS_ROOT.'/libs/common/misc.php');
 require_once(MIBEW_FS_ROOT.'/libs/common/response.php');
 require_once(MIBEW_FS_ROOT.'/libs/common/string.php');
 require_once(MIBEW_FS_ROOT.'/libs/classes/Mibew/Style/StyleInterface.php');
-require_once(MIBEW_FS_ROOT.'/libs/classes/Mibew/Style/Style.php');
+require_once(MIBEW_FS_ROOT.'/libs/classes/Mibew/Style/AbstractStyle.php');
 require_once(MIBEW_FS_ROOT.'/libs/classes/Mibew/Style/PageStyle.php');
 // Include database structure
 require_once(MIBEW_FS_ROOT.'/install/dbinfo.php');