diff --git a/NetworkPrinterOutputDevicePlugin.py b/NetworkPrinterOutputDevicePlugin.py
index ec367d96d9..9e8a43b187 100644
--- a/NetworkPrinterOutputDevicePlugin.py
+++ b/NetworkPrinterOutputDevicePlugin.py
@@ -18,7 +18,7 @@ class NetworkPrinterOutputDevicePlugin(OutputDevicePlugin, SignalEmitter):
 
         # Because the model needs to be created in the same thread as the QMLEngine, we use a signal.
         self.addPrinterSignal.connect(self.addPrinter)
-        Application.getInstance().getMachineManager().activeMachineInstanceChanged.connect(self._onActiveMachineInstanceChanged)
+        Application.getInstance().globalContainerStackChanged.connect(self._onGlobalContainerStackChanged)
 
     addPrinterSignal = Signal()
 
@@ -30,12 +30,13 @@ class NetworkPrinterOutputDevicePlugin(OutputDevicePlugin, SignalEmitter):
     def stop(self):
         self._zero_conf.close()
 
-    def _onActiveMachineInstanceChanged(self):
+    def _onGlobalContainerStackChanged(self):
         try:
-            active_machine_key = Application.getInstance().getMachineManager().getActiveMachineInstance().getKey()
+            active_machine_key = Application.getInstance().getGlobalContainerStack().getId()
         except AttributeError:
             ## Active machine instance changed to None. This can happen upon clean start. Simply ignore.
             return
+
         for key in self._printers:
             if key == active_machine_key:
                 self._printers[key].connect()
@@ -47,8 +48,8 @@ class NetworkPrinterOutputDevicePlugin(OutputDevicePlugin, SignalEmitter):
     def addPrinter(self, name, address, properties):
         printer = NetworkPrinterOutputDevice.NetworkPrinterOutputDevice(name, address, properties)
         self._printers[printer.getKey()] = printer
-        active_machine_instance = Application.getInstance().getMachineManager().getActiveMachineInstance()
-        if active_machine_instance and printer.getKey() == active_machine_instance.getKey():
+        stack = Application.getInstance().getGlobalContainerStack()
+        if stack and printer.getKey() == stack.getKey():
             self._printers[printer.getKey()].connect()
         printer.connectionStateChanged.connect(self._onPrinterConnectionStateChanged)
 
@@ -71,4 +72,4 @@ class NetworkPrinterOutputDevicePlugin(OutputDevicePlugin, SignalEmitter):
         elif state_change == ServiceStateChange.Removed:
             pass
             # TODO; This isn't testable right now. We need to also decide how to handle
-            #
\ No newline at end of file
+            #
diff --git a/__init__.py b/__init__.py
index b5aaa03513..76d4094709 100644
--- a/__init__.py
+++ b/__init__.py
@@ -11,7 +11,7 @@ def getMetaData():
             "name": "Wifi connection",
             "author": "Ultimaker",
             "description": catalog.i18nc("Wifi connection", "Wifi connection"),
-            "api": 2
+            "api": 3
         }
     }