diff --git a/hikka/modules/heroku_backup.py b/hikka/modules/heroku_backup.py
index 1b22f04..410db2f 100644
--- a/hikka/modules/heroku_backup.py
+++ b/hikka/modules/heroku_backup.py
@@ -96,7 +96,7 @@ class HerokuBackupMod(loader.Module):
 
         if not int(args):
             self.set("period", "disabled")
-            await utils.answer(message, f"<b>{self.strings('never').format(prefix=self.get_prefix()}</b>")
+            await utils.answer(message, f"<b>{self.strings('never').format(prefix=self.get_prefix())}</b>")
             return
 
         period = int(args) * 60 * 60