diff --git a/boards/esp32-s3-devkitc-1.json b/boards/esp32-s3-devkitc-1.json
index 7bc3b37..a2f8b22 100644
--- a/boards/esp32-s3-devkitc-1.json
+++ b/boards/esp32-s3-devkitc-1.json
@@ -16,7 +16,7 @@
     "flash_mode": "qio",
     "hwids": [
       [
-        "0X303A",
+        "0x303A",
         "0x1001"
       ]
     ],