diff --git a/resources/machines/fdmprinter.json b/resources/machines/fdmprinter.json
index 7a150864f1..bea07c07fe 100644
--- a/resources/machines/fdmprinter.json
+++ b/resources/machines/fdmprinter.json
@@ -1336,7 +1336,7 @@
                     "max_value_warning": "100.0",
                     "type": "float",
                     "visible": false,
-                    "enabled": "support_enable"
+                    "enabled": "support_conical_enabled and support_enable"
                 },
                 "support_bottom_stair_step_height": {
                     "label": "Stair Step Height",
@@ -1483,7 +1483,7 @@
                     "max_value": "90",
                     "default": 65,
                     "visible": false,
-                    "enabled": "support_enable"
+                    "enabled": "support_enable and support_use_towers"
                 },
                 "support_pattern": {
                     "label": "Pattern",