diff --git a/resources/definitions/fdmprinter.def.json b/resources/definitions/fdmprinter.def.json
index 17976afdfd..4f650c7deb 100644
--- a/resources/definitions/fdmprinter.def.json
+++ b/resources/definitions/fdmprinter.def.json
@@ -1367,7 +1367,7 @@
                     "value": "wall_line_width_0",
                     "minimum_value": "0.5 * machine_nozzle_size",
                     "minimum_value_warning": "min_feature_size",
-                    "maximum_value": "wall_line_width_0",
+                    "maximum_value_warning": "wall_line_width_0",
                     "type": "float",
                     "limit_to_extruder": "wall_0_extruder_nr",
                     "enabled": "fill_outline_gaps"