diff --git a/Mac/Python/macglue.c b/Mac/Python/macglue.c
index 9c21ed2..c760107 100644
--- a/Mac/Python/macglue.c
+++ b/Mac/Python/macglue.c
@@ -1082,7 +1082,7 @@
 int
 PyMac_GetEventRecord(PyObject *v, EventRecord *e)
 {
-	return PyArg_Parse(v, "(hll(hh)h)",
+	return PyArg_Parse(v, "(Hll(hh)H)",
 	                   &e->what,
 	                   &e->message,
 	                   &e->when,