diff --git a/src/yunohost/dns.py b/src/yunohost/dns.py
index 686a016c0..ab97841a7 100644
--- a/src/yunohost/dns.py
+++ b/src/yunohost/dns.py
@@ -472,7 +472,7 @@ def _get_registrar_config_section(domain):
     if parent_domain in domain_list()["domains"]:
 
         if Moulinette.interface.type == "api":
-            parent_domain_link = "[{parent_domain}](#/domains/{parent_domain}/config)"
+            parent_domain_link = f"[{parent_domain}](#/domains/{parent_domain}/config)"
         else:
             parent_domain_link = parent_domain