diff --git a/homeassistant/components/dsmr_reader/strings.json b/homeassistant/components/dsmr_reader/strings.json
index 90cf0533a72..d405898a393 100644
--- a/homeassistant/components/dsmr_reader/strings.json
+++ b/homeassistant/components/dsmr_reader/strings.json
@@ -140,8 +140,8 @@
       "electricity_tariff": {
         "name": "Electricity tariff",
         "state": {
-          "low": "Low",
-          "high": "High"
+          "low": "[%key:common::state::low%]",
+          "high": "[%key:common::state::high%]"
         }
       },
       "power_failure_count": {