diff --git a/plugins/PostProcessingPlugin/PostProcessingPlugin.py b/plugins/PostProcessingPlugin/PostProcessingPlugin.py
index b28a028325..78aa690106 100644
--- a/plugins/PostProcessingPlugin/PostProcessingPlugin.py
+++ b/plugins/PostProcessingPlugin/PostProcessingPlugin.py
@@ -189,6 +189,7 @@ class PostProcessingPlugin(QObject, Extension):
     def addScriptToList(self, key):
         Logger.log("d", "Adding script %s to list.", key)
         new_script = self._loaded_scripts[key]()
+        new_script.initialize()
         self._script_list.append(new_script)
         self.setSelectedScriptIndex(len(self._script_list) - 1)
         self.scriptListChanged.emit()
@@ -220,6 +221,7 @@ class PostProcessingPlugin(QObject, Extension):
                     Logger.log("e", "Unknown post-processing script {script_name} was encountered in this global stack.".format(script_name = script_name))
                     continue
                 new_script = self._loaded_scripts[script_name]()
+                new_script.initialize()
                 for setting_key, setting_value in settings.items(): #Put all setting values into the script.
                     new_script._instance.setProperty(setting_key, "value", setting_value)
                 self._script_list.append(new_script)
diff --git a/plugins/PostProcessingPlugin/Script.py b/plugins/PostProcessingPlugin/Script.py
index 7e430a5c78..b5211401c1 100644
--- a/plugins/PostProcessingPlugin/Script.py
+++ b/plugins/PostProcessingPlugin/Script.py
@@ -26,14 +26,14 @@ class Script:
         self._settings = None
         self._stack = None
 
+    def initialize(self):
         setting_data = self.getSettingData()
-        self._stack = ContainerStack(stack_id = str(id(self)))
+        self._stack = ContainerStack(stack_id=str(id(self)))
         self._stack.setDirty(False)  # This stack does not need to be saved.
 
-
         ## Check if the definition of this script already exists. If not, add it to the registry.
         if "key" in setting_data:
-            definitions = ContainerRegistry.getInstance().findDefinitionContainers(id = setting_data["key"])
+            definitions = ContainerRegistry.getInstance().findDefinitionContainers(id=setting_data["key"])
             if definitions:
                 # Definition was found
                 self._definition = definitions[0]
@@ -48,7 +48,8 @@ class Script:
         self._stack.addContainer(self._definition)
         self._instance = InstanceContainer(container_id="ScriptInstanceContainer")
         self._instance.setDefinition(self._definition.getId())
-        self._instance.setMetaDataEntry("setting_version", self._definition.getMetaDataEntry("setting_version", default = 0))
+        self._instance.setMetaDataEntry("setting_version",
+                                        self._definition.getMetaDataEntry("setting_version", default=0))
         self._stack.addContainer(self._instance)
         self._stack.propertyChanged.connect(self._onPropertyChanged)