diff --git a/menu.py b/menu.py
index 4c69d4e..578a2f1 100644
--- a/menu.py
+++ b/menu.py
@@ -12,9 +12,8 @@ def get_user_choice_by_menu(options: list, title = None, preview_command=None, p
 
     try:
         from simple_term_menu import TerminalMenu
-        None + 1;
         terminal_menu = TerminalMenu(options,
-                                     preview_command=preview_function,
+                                     preview_command=preview_command,
                                      title=title,
                                      show_search_hint=show_search_hint,
                                      preview_size=preview_size,