diff --git a/openvpncertupdate.py b/openvpncertupdate.py
index db30751..0ea9e28 100644
--- a/openvpncertupdate.py
+++ b/openvpncertupdate.py
@@ -319,7 +319,8 @@ def create_note(content: str, base_url: str) -> str:
     ciphertext = aesgcm.encrypt(nonce, content.encode("utf-8"), None)
 
     payload = json.dumps({
-        "contents": list(nonce + ciphertext),
+        "contents": base64.b64encode(nonce + ciphertext).decode("ascii"),
+        "meta": "",
         "views": 1,
         "type": "text",
     }).encode("utf-8")