diff --git a/modules/shared.py b/modules/shared.py
index ed0a1b4b3..9ecd09402 100644
--- a/modules/shared.py
+++ b/modules/shared.py
@@ -211,7 +211,7 @@ def list_themes():
     else:
         res = []
     builtin = ["black-orange", "gradio/default", "gradio/base", "gradio/glass", "gradio/monochrome", "gradio/soft"]
-    themes = sorted(set(builtin + [x['id'] for x in res if x['status'] == 'RUNNING' and 'test' not in x['id'].lower()]))
+    themes = sorted(set(builtin + [x['id'] for x in res if x['status'] == 'RUNNING' and 'test' not in x['id'].lower()]), key=str.casefold)
     return themes