diff --git a/PC/layout/support/appxmanifest.py b/PC/layout/support/appxmanifest.py
index 427a36f31c8..625f88ef8ec 100644
--- a/PC/layout/support/appxmanifest.py
+++ b/PC/layout/support/appxmanifest.py
@@ -210,7 +210,7 @@ class PACKAGE_ID(ctypes.Structure):
     result = ctypes.create_unicode_buffer(256)
     result_len = ctypes.c_uint32(256)
     r = ctypes.windll.kernel32.PackageFamilyNameFromId(
-        pid, ctypes.byref(result_len), result
+        ctypes.byref(pid), ctypes.byref(result_len), result
     )
     if r:
         raise OSError(r, "failed to get package family name")