diff --git a/SlicerConfiguration/SlicerMapping/EngineMapingBase.cs b/SlicerConfiguration/SlicerMapping/EngineMapingBase.cs
index ed9002f38..027950531 100644
--- a/SlicerConfiguration/SlicerMapping/EngineMapingBase.cs
+++ b/SlicerConfiguration/SlicerMapping/EngineMapingBase.cs
@@ -66,7 +66,6 @@ namespace MatterHackers.MatterControl.SlicerConfiguration
 			"resume_first_layer_speed",
 			"resume_position_before_z_home",
 			"resume_gcode",
-			"support_material_threshold",
 			"temperature",
 			"z_can_be_negative",
 			"z_homes_to_max",
diff --git a/SlicerConfiguration/SlicerMapping/EngineMappingCura.cs b/SlicerConfiguration/SlicerMapping/EngineMappingCura.cs
index bdd46482e..e2053c21b 100644
--- a/SlicerConfiguration/SlicerMapping/EngineMappingCura.cs
+++ b/SlicerConfiguration/SlicerMapping/EngineMappingCura.cs
@@ -90,6 +90,7 @@ namespace MatterHackers.MatterControl.SlicerConfiguration
 				// needs testing, not working
 				new ScaledSingleNumber("support_material_spacing", "supportLineDistance", 1000),
 				new SupportMatterial("support_material", "supportAngle"),
+				new VisibleButNotMappedToEngine("support_material_threshold"),
 				new MappedSetting("support_material_create_internal_support", "supportEverywhere"),
 				new ScaledSingleNumber("support_material_xy_distance", "supportXYDistance", 1000),
 				new ScaledSingleNumber("support_material_z_distance", "supportZDistance", 1000),