diff --git a/plugins/USBPrinting/USBPrinterManager.py b/plugins/USBPrinting/USBPrinterManager.py
index e9b3763413..47db383e32 100644
--- a/plugins/USBPrinting/USBPrinterManager.py
+++ b/plugins/USBPrinting/USBPrinterManager.py
@@ -59,7 +59,7 @@ class USBPrinterManager(QObject, SignalEmitter, OutputDevicePlugin, Extension):
     @pyqtProperty(float, notify = progressChanged)
     def progress(self):
         progress = 0
-        for name, connection in self._printer_connections.items():
+        for printer_name, connection in self._printer_connections.items():
             progress += connection.progress
 
         return progress / len(self._printer_connections)