diff --git a/homeassistant/components/thread/strings.json b/homeassistant/components/thread/strings.json
index 0a9cf0004bc..474999b06bd 100644
--- a/homeassistant/components/thread/strings.json
+++ b/homeassistant/components/thread/strings.json
@@ -1,5 +1,8 @@
 {
   "config": {
+    "abort": {
+      "already_configured": "[%key:common::config_flow::abort::already_configured_service%]"
+    },
     "step": {
       "confirm": {
         "description": "[%key:common::config_flow::description::confirm_setup%]"