diff --git a/monitor.py b/monitor.py
index 1f67eca..e6768e7 100644
--- a/monitor.py
+++ b/monitor.py
@@ -53,7 +53,7 @@ async def send_telegram(message: str) -> None:
     payload = {"chat_id": TELEGRAM_CHAT_ID, "text": message, "parse_mode": "HTML"}
     async with httpx.AsyncClient(timeout=10) as client:
         try:
-            resp = await client.post(url, json=payload)
+            resp = await client.post(url, data=payload)
             resp.raise_for_status()
             log.info("Telegram: сообщение отправлено")
         except Exception as exc: