diff --git a/bots/modules/spoiler.py b/bots/modules/spoiler.py
index 56d08d6..42abd26 100644
--- a/bots/modules/spoiler.py
+++ b/bots/modules/spoiler.py
@@ -19,7 +19,7 @@ class SpoilerBotModuleConfig(TelegramBotModuleConfig):
             id=str(sm.pk),
             title='Send spoiler',
             input_message_content=InputTextMessageContent('This is a spoiler'),
-            reply_markup=InlineKeyboardMarkup([InlineKeyboardButton('Read content', callback_data='read {}'.format(sm.pk))])
+            reply_markup=InlineKeyboardMarkup([[InlineKeyboardButton('Read content', callback_data='read {}'.format(sm.pk))]])
         )])
 
     def read_handler(self, update: Update, ctx: CallbackContext):