diff --git a/src/tg_bot.py b/src/tg_bot.py
index fc058d3..c49911e 100644
--- a/src/tg_bot.py
+++ b/src/tg_bot.py
@@ -69,8 +69,10 @@ def edit_message(tg_cfg: TelegramConfig, chat_id: str, msg_id: int,
                  text: str, reply_markup: dict = None, parse_mode: str = "MarkdownV2"):
     payload = {
         "chat_id": chat_id, "message_id": msg_id,
-        "text": text, "parse_mode": parse_mode,
+        "text": text,
     }
+    if parse_mode:
+        payload["parse_mode"] = parse_mode
     if reply_markup:
         payload["reply_markup"] = reply_markup
     _tg_req(tg_cfg, "editMessageText", payload)