diff --git a/resources/definitions/fdmprinter.def.json b/resources/definitions/fdmprinter.def.json
index a24d21b1ad..c7f80666ff 100644
--- a/resources/definitions/fdmprinter.def.json
+++ b/resources/definitions/fdmprinter.def.json
@@ -163,7 +163,7 @@
                     "options":
                     {
                         "glass": "Glass",
-                        "aluminum": "Aluminum"
+                        "aluminium": "Aluminium"
                     },
                     "settable_per_mesh": false,
                     "settable_per_extruder": false,