diff --git a/cura/PrinterOutputDevice.py b/cura/PrinterOutputDevice.py
index f6d15f5a4a..b664e30d0b 100644
--- a/cura/PrinterOutputDevice.py
+++ b/cura/PrinterOutputDevice.py
@@ -36,7 +36,7 @@ class ConnectionState(IntEnum):
 
 
 class ConnectionType(IntEnum):
-    none = 0
+    Unknown = 0
     UsbConnection = 1
     NetworkConnection = 2
     ClusterConnection = 3