diff --git a/resources/definitions/ultimaker.def.json b/resources/definitions/ultimaker.def.json
index 2946a06c6d..8d697bd597 100644
--- a/resources/definitions/ultimaker.def.json
+++ b/resources/definitions/ultimaker.def.json
@@ -59,6 +59,12 @@
         "retraction_combing": {
             "value": "'no_outer_surfaces'"
         },
+        "retraction_count_max": {
+            "value": 25
+        },
+        "retraction_extrusion_window": {
+            "value": 1
+        },
         "roofing_layer_count": {
             "value": "0"
         },