diff --git a/src/ytdl_sub/config/overrides.py b/src/ytdl_sub/config/overrides.py
index f46ea5a7..3372e936 100644
--- a/src/ytdl_sub/config/overrides.py
+++ b/src/ytdl_sub/config/overrides.py
@@ -56,7 +56,7 @@ class Overrides(DictFormatterValidator, Scriptable):
 
     def __init__(self, name, value):
         DictFormatterValidator.__init__(self, name, value)
-        Scriptable.__init__(self)
+        Scriptable.__init__(self, initialize_base_script=True)
 
         for key in self._keys:
             self.ensure_variable_name_valid(key)
@@ -133,8 +133,6 @@ class Overrides(DictFormatterValidator, Scriptable):
         """
         Initialize the override script with override variables + any unresolved variables
         """
-        self.initialize_base_script()
-
         self.script.add(
             ScriptUtils.add_sanitized_variables(
                 {SubscriptionVariables.subscription_name(): subscription_name}
diff --git a/src/ytdl_sub/utils/scriptable.py b/src/ytdl_sub/utils/scriptable.py
index a6becdcc..b1dc20e7 100644
--- a/src/ytdl_sub/utils/scriptable.py
+++ b/src/ytdl_sub/utils/scriptable.py
@@ -26,21 +26,33 @@ class Scriptable(ABC):
     Shared class between Entry and Overrides to manage their underlying Script.
     """
 
-    def __init__(self):
+    def __init__(self, initialize_base_script: bool = False):
         self._script: Optional[Script] = None
         self._unresolvable: Optional[Set[str]] = None
 
+        if initialize_base_script:
+            self.initialize_base_script()
+
     def initialize_base_script(self):
+        """
+        Initializes with base values
+        """
         self._script = copy.deepcopy(_BASE_SCRIPT)
         self._unresolvable = copy.deepcopy(UNRESOLVED_VARIABLES)
 
     @property
     def script(self) -> Script:
+        """
+        Initialized script
+        """
         assert self._script is not None, "Not initialized"
         return self._script
 
     @property
     def unresolvable(self) -> Set[str]:
+        """
+        Initialized unresolvable variables
+        """
         assert self._unresolvable is not None, "Not initialized"
         return self._unresolvable