diff --git a/Resources/Build.py b/Resources/Build.py
index 8ec6e891a..c7ba92774 100644
--- a/Resources/Build.py
+++ b/Resources/Build.py
@@ -245,7 +245,7 @@ class BuildOpenCore:
             # self.config["DeviceProperties"]["Add"][arpt_path] = {"device-id": binascii.unhexlify("ba430000"), "compatible": "pci14e4,43ba"}
             if not self.constants.custom_model and self.computer.wifi and self.constants.validate is False and self.computer.wifi.country_code:
                 print(f"- Applying fake ID for WiFi, setting Country Code: {self.computer.wifi.country_code}")
-                self.config["DeviceProperties"]["Add"][arpt_path].update({"brcmfx-country": self.computer.wifi.country_code})
+                self.config["DeviceProperties"]["Add"][arpt_path] = {"brcmfx-country": self.computer.wifi.country_code}
             if self.constants.enable_wake_on_wlan is True:
                 print("- Enabling Wake on WLAN support")
                 self.config["NVRAM"]["Add"]["7C436110-AB2A-4BBB-A880-FE41995C9F82"]["boot-args"] += f" -brcmfxwowl"