diff --git a/homeassistant/components/aquacell/strings.json b/homeassistant/components/aquacell/strings.json
index 53304d04804..e07adf3c199 100644
--- a/homeassistant/components/aquacell/strings.json
+++ b/homeassistant/components/aquacell/strings.json
@@ -36,9 +36,9 @@
       "wi_fi_strength": {
         "name": "Wi-Fi strength",
         "state": {
-          "low": "Low",
-          "medium": "Medium",
-          "high": "High"
+          "low": "[%key:common::state::low%]",
+          "medium": "[%key:common::state::medium%]",
+          "high": "[%key:common::state::high%]"
         }
       }
     }