diff --git a/resources/definitions/ultimaker3.def.json b/resources/definitions/ultimaker3.def.json
index dcf6b167c0..211e749c90 100644
--- a/resources/definitions/ultimaker3.def.json
+++ b/resources/definitions/ultimaker3.def.json
@@ -43,10 +43,10 @@
         {
             "default_value":
             [
-                [ -29, 6.1 ],
-                [ -29, -33.9 ],
-                [ 71, 6.1 ],
-                [ 71, -33.9 ]
+                [-41.9, -45.8],
+                [-41.9, 33.9],
+                [59.9, 33.9],
+                [59.9, -45.8]
             ]
         },
         "machine_gcode_flavor": { "default_value": "Griffin" },