diff --git a/resources/definitions/ultimaker.def.json b/resources/definitions/ultimaker.def.json
index 25163d89dc..f9f686c69b 100644
--- a/resources/definitions/ultimaker.def.json
+++ b/resources/definitions/ultimaker.def.json
@@ -226,6 +226,12 @@
         "support_infill_rate": {
             "value": "0 if support_structure == 'tree' else 80 if gradual_support_infill_steps != 0 else 15"
         },
+        "support_line_distance": {
+            "minimum_value_warning": "0 if support_structure == 'tree' else support_line_width"
+        },
+        "support_initial_layer_line_distance": {
+            "minimum_value_warning": "0 if support_structure == 'tree' else support_line_width"
+        },
         "gradual_support_infill_steps": {
             "value": "2 if support_interface_enable else 0"
         },