diff --git a/global/overlay/etc/puppet/manifests/cosmos-site.pp b/global/overlay/etc/puppet/manifests/cosmos-site.pp
index b27e3d79..613941ef 100644
--- a/global/overlay/etc/puppet/manifests/cosmos-site.pp
+++ b/global/overlay/etc/puppet/manifests/cosmos-site.pp
@@ -339,6 +339,7 @@ class eidas_de_middleware_hsm($version="110-fixes-sc-p11",$hostname='localhost')
                    "DEMW_TLS_CLIENT_KEY=$demw_tls_client_key",
                    "DEMW_TLS_CLIENT_CERT=$demw_tls_client_cert",
                    "DEMW_TLS_SERVER_CERT=$demw_tls_server_cert",
+                   "JAVA_OPTS=-DformatMsgNoLookups=true",
                    "SPRING_DATASOURCE_PASSWORD=$spring_datasource_password"],
       extra_parameters => ["--log-driver=syslog --cpuset-cpus=0-3"]
    }