diff --git a/hooks/conf_regen/02-ssl b/hooks/conf_regen/02-ssl
index e98c70c6e..1aaab59d1 100755
--- a/hooks/conf_regen/02-ssl
+++ b/hooks/conf_regen/02-ssl
@@ -111,8 +111,9 @@ do_post_regen() {
         mv /usr/share/yunohost/yunohost-config/ssl/yunoCA/* ${ssl_dir}
         rm -rf /usr/share/yunohost/yunohost-config
         # Overwrite openssl.cnf because it may still contain references to the old yunoCA dir
-        rm -f ${ssl_dir}/openssl.ca.cnf
         install -D -m 644 ${template_dir}/openssl.cnf "${ssl_dir}/openssl.cnf"
+        install -D -m 644 ${template_dir}/openssl.cnf "${ssl_dir}/openssl.ca.cnf"
+        sed -i "s/yunohost.org/${main_domain}/g" openssl.ca.cnf
     fi
 
     mkdir -p ${ssl_dir}/{ca,certs,crl,newcerts}