diff --git a/resources/definitions/fdmprinter.def.json b/resources/definitions/fdmprinter.def.json
index 977d11e14a..f03c842e0c 100755
--- a/resources/definitions/fdmprinter.def.json
+++ b/resources/definitions/fdmprinter.def.json
@@ -858,7 +858,7 @@
                     "default_value": 0.2,
                     "value": "machine_nozzle_size / 2",
                     "minimum_value": "0",
-                    "maximum_value_warning": "machine_nozzle_size",
+                    "maximum_value_warning": "machine_nozzle_size * 2",
                     "settable_per_mesh": true
                 },
                 "top_bottom_thickness":