Fixes issue when installing style with preview image during setup

Fixes #1173

diff --git a/wcfsetup/install/files/options.inc.php b/wcfsetup/install/files/options.inc.php
index c91b1d8a187518cdd36e3270d4a3e10215bb63e7..d4cea969e4a8a6aa86d85842c462358b45a57841 100644 (file)
--- a/wcfsetup/install/files/options.inc.php
+++ b/wcfsetup/install/files/options.inc.php
@@ -25,6 +25,7 @@ define('SESSION_VALIDATE_IP_ADDRESS', 0);
 define('SESSION_VALIDATE_USER_AGENT', 0);
 
 define('CACHE_SOURCE_TYPE', 'disk');
+define('IMAGE_ADAPTER_TYPE', 'gd');
 define('MODULE_MASTER_PASSWORD', 0);
 define('TIMEZONE', 'Europe/Berlin');