diff --git a/src/yunohost/dyndns.py b/src/yunohost/dyndns.py
index c11d0a067..6ff73d1e2 100644
--- a/src/yunohost/dyndns.py
+++ b/src/yunohost/dyndns.py
@@ -153,7 +153,7 @@ def dyndns_subscribe(subscribe_host="dyndns.yunohost.org", domain=None, key=None
 
     # Send subscription
     try:
-        r = requests.post('https://%s/key/%s' % (subscribe_host, base64.b64encode(key)), data={'subdomain': domain}, timeout=30)
+        r = requests.post('https://%s/key/%s?key_algo=hmac-sha512' % (subscribe_host, base64.b64encode(key)), data={'subdomain': domain}, timeout=30)
     except requests.ConnectionError:
         raise MoulinetteError(errno.ENETUNREACH, m18n.n('no_internet_connection'))
     if r.status_code != 201: