diff --git a/cura/CuraApplication.py b/cura/CuraApplication.py
index a395329552..9293a7e07b 100755
--- a/cura/CuraApplication.py
+++ b/cura/CuraApplication.py
@@ -725,7 +725,7 @@ class CuraApplication(QtApplication):
 
             self.exec_()
 
-    def getMachineManager(self, *args):
+    def getMachineManager(self, *args) -> MachineManager:
         if self._machine_manager is None:
             self._machine_manager = MachineManager.createMachineManager()
         return self._machine_manager