diff --git a/cura/CuraApplication.py b/cura/CuraApplication.py
index 23ae2f8796..e764e10fec 100755
--- a/cura/CuraApplication.py
+++ b/cura/CuraApplication.py
@@ -70,6 +70,7 @@ from cura.Scene.CuraSceneNode import CuraSceneNode
 from cura.Scene.SliceableObjectDecorator import SliceableObjectDecorator
 from cura.Scene import ZOffsetDecorator
 
+from cura.Machines.ContainerTree import ContainerTree
 from cura.Machines.MachineErrorChecker import MachineErrorChecker
 import cura.Machines.MaterialManager #Imported like this to prevent circular imports.
 import cura.Machines.QualityManager #Imported like this to prevent circular imports.
@@ -731,6 +732,9 @@ class CuraApplication(QtApplication):
     def run(self):
         super().run()
 
+        Logger.log("i", "Building container tree.")
+        ContainerTree.getInstance()
+
         Logger.log("i", "Initializing machine manager")
         self._machine_manager = MachineManager(self, parent = self)
 
diff --git a/cura/Machines/ContainerTree.py b/cura/Machines/ContainerTree.py
index 14c54459a3..4aca86c393 100644
--- a/cura/Machines/ContainerTree.py
+++ b/cura/Machines/ContainerTree.py
@@ -14,6 +14,14 @@ from typing import Dict
 #   The tree starts at the machine definitions. For every distinct definition
 #   there will be one machine node here.
 class ContainerTree:
+    __instance = None
+
+    @classmethod
+    def getInstance(cls):
+        if cls.__instance is None:
+            cls.__instance = ContainerTree()
+        return cls.__instance
+
     def __init__(self) -> None:
         self.machines = {}  # type: Dict[str, MachineNode] # Mapping from definition ID to machine nodes.
         container_registry = ContainerRegistry.getInstance()