diff --git a/MatterControlLib/PrinterCommunication/Drivers/Emulator/Emulator.cs b/MatterControlLib/PrinterCommunication/Drivers/Emulator/Emulator.cs
index f22d73712..78eccc6db 100644
--- a/MatterControlLib/PrinterCommunication/Drivers/Emulator/Emulator.cs
+++ b/MatterControlLib/PrinterCommunication/Drivers/Emulator/Emulator.cs
@@ -280,9 +280,9 @@ namespace MatterHackers.PrinterEmulator
 				shuttingDown = true;
 
 				HeatedBed.Stop();
-				foreach (var extuder in Extruders)
+				foreach (var extruder in Extruders)
 				{
-					extuder.Stop();
+					extruder.Stop();
 				}
 			}
 		}
diff --git a/MatterControlLib/SlicerConfiguration/PresetSelectorWidget.cs b/MatterControlLib/SlicerConfiguration/PresetSelectorWidget.cs
index c6f4da210..6f9be43e5 100644
--- a/MatterControlLib/SlicerConfiguration/PresetSelectorWidget.cs
+++ b/MatterControlLib/SlicerConfiguration/PresetSelectorWidget.cs
@@ -289,12 +289,12 @@ namespace MatterHackers.MatterControl.SlicerConfiguration
 					else // try to find the right material based on the extruders temperature
 					{
 						settingsKey = null;
-						var extuderTemp = printer.Settings.GetValue<double>(SettingsKey.temperature1).ToString();
+						var extruderTemp = printer.Settings.GetValue<double>(SettingsKey.temperature1).ToString();
 						foreach(var materialLayer in printer.Settings.MaterialLayers)
 						{
 							if(materialLayer.TryGetValue(SettingsKey.temperature, out string _temp))
 							{
-								if(_temp == extuderTemp)
+								if(_temp == extruderTemp)
 								{
 									settingsKey = materialLayer.LayerID;
 								}