diff --git a/resources/definitions/fdmprinter.def.json b/resources/definitions/fdmprinter.def.json
index ef107be412..ee6996b2de 100644
--- a/resources/definitions/fdmprinter.def.json
+++ b/resources/definitions/fdmprinter.def.json
@@ -3488,6 +3488,7 @@
                     "minimum_value": "0",
                     "maximum_value_warning": "100",
                     "default_value": 15,
+                    "value": "15 if support_enable else 0",
                     "enabled": "support_enable or support_tree_enable",
                     "limit_to_extruder": "support_infill_extruder_nr",
                     "settable_per_mesh": false,