Fix undefined class variable

Fixes #4163

diff --git a/wcfsetup/install/files/lib/acp/form/StyleAddForm.class.php b/wcfsetup/install/files/lib/acp/form/StyleAddForm.class.php
index a51217184d5071328a5a6a543cd9535a3618bc47..65a81562a6a1480d79a346589b89cc4ddc2213e0 100644 (file)
--- a/wcfsetup/install/files/lib/acp/form/StyleAddForm.class.php
+++ b/wcfsetup/install/files/lib/acp/form/StyleAddForm.class.php
@@ -855,7 +855,7 @@ class StyleAddForm extends AbstractForm {
                $this->setDefaultValues();
                $this->isTainted = true;
                $this->templateGroupID = 0;
-               $this->styleTestFilename = null;
+               $this->styleTestFileDir = null;
                $this->rebuildUploadFields();
                
                I18nHandler::getInstance()->reset();