diff --git a/roles/keycloak/templates/keycloak-service.sh.j2 b/roles/keycloak/templates/keycloak-service.sh.j2
index 6e9a4e2..66fece0 100755
--- a/roles/keycloak/templates/keycloak-service.sh.j2
+++ b/roles/keycloak/templates/keycloak-service.sh.j2
@@ -81,6 +81,7 @@ startKeycloak() {
 	-Djboss.https.port=${KEYCLOAK_HTTPS_PORT} \
 	-Djboss.management.http.port=${KEYCLOAK_MANAGEMENT_HTTP_PORT} \
 	-Djboss.management.https.port=${KEYCLOAK_MANAGEMENT_HTTPS_PORT} \
+  {% if ansible_facts.virtualization_type == 'docker' %}-Djava.net.preferIPv4Stack=true \{% endif %}
 	-Djboss.node.name={{ inventory_hostname }} 2>&1 >> "${KEYCLOAK_LOGFILE}" &
     echo "${!}" > "${KEYCLOAK_PIDFILE}"
   fi