diff --git a/themeexplorer/package/metadata.desktop b/themeexplorer/package/metadata.desktop
index 854a323..9ee875c 100644
--- a/themeexplorer/package/metadata.desktop
+++ b/themeexplorer/package/metadata.desktop
@@ -60,7 +60,7 @@ Name[zh_CN]=Plasma 主题浏览器
 Name[zh_TW]=Plasma 主題探索器
 Type=Application
 Icon=preferences-desktop-theme
-Categories=Qt;KDE;Development;
+Categories=Qt;KDE;Development;GUIDesigner;
 Exec=plasmathemeexplorer
 X-KDE-ParentApp=
 X-KDE-PluginInfo-Author=Marco Martin