diff --git a/lib/gui_lite.py b/lib/gui_lite.py
index 6112b2466..7e38a214f 100644
--- a/lib/gui_lite.py
+++ b/lib/gui_lite.py
@@ -498,7 +498,7 @@ class MiniActuator:
             qApp.setStyleSheet(style_file.read())
 
     def theme_names(self):
-        return self.themes.keys()
+        return sorted(self.themes.keys())
     def selected_theme(self):
         return self.theme_name