diff --git a/resources/definitions/strateo3d.def.json b/resources/definitions/strateo3d.def.json
index fdf91bf1eb..a826e03b5b 100644
--- a/resources/definitions/strateo3d.def.json
+++ b/resources/definitions/strateo3d.def.json
@@ -14,6 +14,7 @@
             "has_machine_materials": true,
             "has_variants": true,
             "preferred_variant_name": "Standard 0.6",
+			"preferred_material": "emotiontech_pla",
             "preferred_quality_type": "e",
             "variants_name": "Print Head",
             "machine_extruder_trains":