diff --git a/resources/definitions/ultimaker2_extended.def.json b/resources/definitions/ultimaker2_extended.def.json
index 361132ea95..e3c7d1fd01 100644
--- a/resources/definitions/ultimaker2_extended.def.json
+++ b/resources/definitions/ultimaker2_extended.def.json
@@ -6,6 +6,7 @@
     "metadata": {
         "author": "Ultimaker",
         "manufacturer": "Ultimaker",
+        "category": "Ultimaker",
         "file_formats": "text/x-gcode",
         "icon": "icon_ultimaker2.png",
         "platform": "ultimaker2_platform.obj",