diff --git a/resources/definitions/fdmprinter.def.json b/resources/definitions/fdmprinter.def.json
index 17683b48b0..f65a5a727f 100644
--- a/resources/definitions/fdmprinter.def.json
+++ b/resources/definitions/fdmprinter.def.json
@@ -310,7 +310,7 @@
                     "settable_per_mesh": false,
                     "settable_per_meshgroup": false,
                     "type": "bool",
-                    "force_depends_on_settings": ["extruders_used"]
+                    "force_depends_on_settings": [ "extruders_used" ]
                 },
                 "machine_nozzle_tip_outer_diameter":
                 {