diff --git a/homeassistant/components/hangouts/strings.json b/homeassistant/components/hangouts/strings.json
index 0133bf421ff..bed46e823d9 100644
--- a/homeassistant/components/hangouts/strings.json
+++ b/homeassistant/components/hangouts/strings.json
@@ -1,8 +1,8 @@
 {
   "config": {
     "abort": {
-      "already_configured": "Google Hangouts is already configured",
-      "unknown": "Unknown error occurred."
+      "already_configured": "[%key:common::config_flow::abort::already_configured_service%]",
+      "unknown": "[%key:common::config_flow::error::unknown%]"
     },
     "error": {
       "invalid_login": "Invalid Login, please try again.",
@@ -26,4 +26,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}