diff --git a/modules/config.py b/modules/config.py
index 10c6f1b3..cab19d03 100644
--- a/modules/config.py
+++ b/modules/config.py
@@ -236,7 +236,7 @@ default_prompt = get_config_item_or_set_default(
 default_performance = get_config_item_or_set_default(
     key='default_performance',
     default_value='Speed',
-    validator=lambda x: x in modules.flags.performance_selections
+    validator=lambda x: x in [y[1] for y in modules.flags.performance_selections if y[1] == x]
 )
 default_advanced_checkbox = get_config_item_or_set_default(
     key='default_advanced_checkbox',