diff --git a/thefuck/shells/zsh.py b/thefuck/shells/zsh.py
index cd7bd01..1498837 100644
--- a/thefuck/shells/zsh.py
+++ b/thefuck/shells/zsh.py
@@ -31,7 +31,9 @@ class Zsh(Generic):
 
     def instant_mode_alias(self, alias_name):
         if os.environ.get('THEFUCK_INSTANT_MODE', '').lower() == 'true':
-            mark = USER_COMMAND_MARK + '\b' * len(USER_COMMAND_MARK)
+            mark = ('%{' +
+                    USER_COMMAND_MARK + '\b' * len(USER_COMMAND_MARK)
+                    + '%}')
             return '''
                 export PS1="{user_command_mark}$PS1";
                 {app_alias}