diff --git a/modules/ui.py b/modules/ui.py
index 56b1518c..a84378b1 100644
--- a/modules/ui.py
+++ b/modules/ui.py
@@ -233,14 +233,16 @@ def save_settings(state, preset, extensions_list, show_controls, theme_state):
 
     # Save extension values in the UI
     for extension_name in extensions_list:
-        extension = getattr(extensions, extension_name).script
-        if hasattr(extension, 'params'):
-            params = getattr(extension, 'params')
-            for param in params:
-                _id = f"{extension_name}-{param}"
-                # Only save if different from default value
-                if param not in shared.default_settings or params[param] != shared.default_settings[param]:
-                    output[_id] = params[param]
+        extension = getattr(extensions, extension_name, None)
+        if extension:
+            extension = extension.script
+            if hasattr(extension, 'params'):
+                params = getattr(extension, 'params')
+                for param in params:
+                    _id = f"{extension_name}-{param}"
+                    # Only save if different from default value
+                    if param not in shared.default_settings or params[param] != shared.default_settings[param]:
+                        output[_id] = params[param]
 
     # Do not save unchanged settings
     for key in list(output.keys()):