diff --git a/src/yunohost/domain.py b/src/yunohost/domain.py
index 3f906748b..18c4bd8e2 100644
--- a/src/yunohost/domain.py
+++ b/src/yunohost/domain.py
@@ -32,8 +32,7 @@ from moulinette.core import MoulinetteError
 from yunohost.utils.error import YunohostError
 from moulinette.utils.log import getActionLogger
 
-import yunohost.certificate
-
+from yunohost.app import app_ssowatconf
 from yunohost.regenconf import regen_conf
 from yunohost.utils.network import get_public_ip
 from yunohost.log import is_unit_operation
@@ -105,6 +104,7 @@ def domain_add(operation_logger, domain, dyndns=False):
         dyndns_subscribe(domain=domain)
 
     try:
+        import yunohost.certificate
         yunohost.certificate._certificate_install_selfsigned([domain], False)
 
         attr_dict = {
@@ -234,14 +234,17 @@ def domain_dns_conf(domain, ttl=None):
 
 
 def domain_cert_status(domain_list, full=False):
+    import yunohost.certificate
     return yunohost.certificate.certificate_status(domain_list, full)
 
 
 def domain_cert_install(domain_list, force=False, no_checks=False, self_signed=False, staging=False):
+    import yunohost.certificate
     return yunohost.certificate.certificate_install(domain_list, force, no_checks, self_signed, staging)
 
 
 def domain_cert_renew(domain_list, force=False, no_checks=False, email=False, staging=False):
+    import yunohost.certificate
     return yunohost.certificate.certificate_renew(domain_list, force, no_checks, email, staging)