diff --git a/homeassistant/components/osoenergy/strings.json b/homeassistant/components/osoenergy/strings.json
index 7e10168d941..ef7e2abb89b 100644
--- a/homeassistant/components/osoenergy/strings.json
+++ b/homeassistant/components/osoenergy/strings.json
@@ -60,7 +60,7 @@
           "ffr": "Fast frequency reserve",
           "legionella": "Legionella",
           "manual": "Manual",
-          "off": "Off",
+          "off": "[%key:common::state::off%]",
           "powersave": "Power save",
           "voltage": "Voltage"
         }
@@ -70,7 +70,7 @@
         "state": {
           "advanced": "Advanced",
           "gridcompany": "Grid company",
-          "off": "Off",
+          "off": "[%key:common::state::off%]",
           "oso": "OSO",
           "smartcompany": "Smart company"
         }