diff --git a/targets/targets.json b/targets/targets.json
index be8789c65c..ccc17fd5c7 100644
--- a/targets/targets.json
+++ b/targets/targets.json
@@ -5633,7 +5633,7 @@
             "MPU"
         ]
     },
-    "NUMAKER_M252KG": {
+    "NUMAKER_IOT_M252": {
         "core": "Cortex-M23",
         "trustzone": false,
         "is_disk_virtual": true,