diff --git a/supervisor/api/docker.py b/supervisor/api/docker.py
index 2281428bf..26f61624e 100644
--- a/supervisor/api/docker.py
+++ b/supervisor/api/docker.py
@@ -60,6 +60,7 @@ class APIDocker(CoreSysAttributes):
         body = await api_validate(SCHEMA_OPTIONS, request)
 
         if ATTR_ENABLE_IPV6 in body:
+            _LOGGER.info("System restart required to apply new IPv6 configuration")
             self.sys_docker.config.enable_ipv6 = body[ATTR_ENABLE_IPV6]
 
         await self.sys_docker.config.save_data()