diff --git a/homeassistant/components/iron_os/strings.json b/homeassistant/components/iron_os/strings.json
index ddae9a3020f..629f7c32c9b 100644
--- a/homeassistant/components/iron_os/strings.json
+++ b/homeassistant/components/iron_os/strings.json
@@ -123,7 +123,7 @@
         "state": {
           "off": "[%key:common::state::off%]",
           "slow": "[%key:component::iron_os::common::slow%]",
-          "medium": "Medium",
+          "medium": "[%key:common::state::medium%]",
           "fast": "[%key:component::iron_os::common::fast%]"
         }
       },