diff --git a/resources/definitions/fdmprinter.def.json b/resources/definitions/fdmprinter.def.json index df87fdd060..af7f21d5ca 100644 --- a/resources/definitions/fdmprinter.def.json +++ b/resources/definitions/fdmprinter.def.json @@ -1515,7 +1515,7 @@ "minimum_value": "0", "maximum_value_warning": "10", "type": "int", - "enabled": "(top_layers > 0 or bottom_layers > 0) and not (top_bottom_pattern == 'concentric' and top_bottom_pattern_0 == 'concentric' and roofing_layer_count <= 0)", + "enabled": "(top_layers > 0 or bottom_layers > 0) and (top_bottom_pattern != 'concentric' or top_bottom_pattern_0 != 'concentric' or (roofing_layer_count > 0 and roofing_pattern != 'concentric'))", "limit_to_extruder": "top_bottom_extruder_nr", "settable_per_mesh": true },