diff --git a/NetworkPrinterOutputDevicePlugin.py b/NetworkPrinterOutputDevicePlugin.py
index 5f0352ff3e..3b281c3984 100644
--- a/NetworkPrinterOutputDevicePlugin.py
+++ b/NetworkPrinterOutputDevicePlugin.py
@@ -11,7 +11,7 @@ class WifiOutputDevicePlugin(OutputDevicePlugin, SignalEmitter):
         super().__init__()
         self._zero_conf = Zeroconf()
         self._browser = None
-        self._connections = {}
+        self._printers = {}
 
         # Because the model needs to be created in the same thread as the QMLEngine, we use a signal.
         self.addConnectionSignal.connect(self.addConnection)
@@ -29,26 +29,26 @@ class WifiOutputDevicePlugin(OutputDevicePlugin, SignalEmitter):
 
     def _onActiveMachineInstanceChanged(self):
         active_machine_key = Application.getInstance().getMachineManager().getActiveMachineInstance().getKey()
-        for address in self._connections:
-            if self._connections[address].getKey() == active_machine_key:
-                self._connections[address].connect()
-                self._connections[address].connectionStateChanged.connect(self._onPrinterConnectionStateChanged)
+        for address in self._printers:
+            if self._printers[address].getKey() == active_machine_key:
+                self._printers[address].connect()
+                self._printers[address].connectionStateChanged.connect(self._onPrinterConnectionStateChanged)
             else:
-                self._connections[address].close()
+                self._printers[address].close()
 
     ##  Because the model needs to be created in the same thread as the QMLEngine, we use a signal.
     def addConnection(self, name, address, properties):
         connection = NetworkPrinterOutputDevice.NetworkPrinterOutputDevice(name, address, properties)
-        self._connections[address] = connection
+        self._printers[address] = connection
         if connection.getKey() == Application.getInstance().getMachineManager().getActiveMachineInstance().getKey():
-            self._connections[address].connect()
+            self._printers[address].connect()
         connection.connectionStateChanged.connect(self._onPrinterConnectionStateChanged)
 
     def _onPrinterConnectionStateChanged(self, address):
-        if self._connections[address].isConnected():
-            self.getOutputDeviceManager().addOutputDevice(self._connections[address])
+        if self._printers[address].isConnected():
+            self.getOutputDeviceManager().addOutputDevice(self._printers[address])
         else:
-            self.getOutputDeviceManager().removeOutputDevice(self._connections[address])
+            self.getOutputDeviceManager().removeOutputDevice(self._printers[address])
 
     def removeConnection(self):
         pass