diff --git a/resources/definitions/ultimaker3.def.json b/resources/definitions/ultimaker3.def.json
index 27db3f19c7..afac8f3226 100644
--- a/resources/definitions/ultimaker3.def.json
+++ b/resources/definitions/ultimaker3.def.json
@@ -17,7 +17,7 @@
         "has_machine_materials": true,
         "has_variant_materials": true,
         "has_variants": true,
-        "preferred_variant": "*aa*",
+        "preferred_variant": "*aa04*",
         "preferred_quality": "*Normal*",
         "variants_name": "Print core",
         "machine_extruder_trains":
diff --git a/resources/definitions/ultimaker3_extended.def.json b/resources/definitions/ultimaker3_extended.def.json
index 31bf2417e4..0de95f78b8 100644
--- a/resources/definitions/ultimaker3_extended.def.json
+++ b/resources/definitions/ultimaker3_extended.def.json
@@ -18,7 +18,7 @@
         "has_variant_materials": true,
         "has_materials": true,
         "has_variants": true,
-        "preferred_variant": "*aa*",
+        "preferred_variant": "*aa04*",
         "variants_name": "Print core",
         "machine_extruder_trains":
         {