diff --git a/Modules/md5module.c b/Modules/md5module.c
index 59e4c6c..78a2b45 100644
--- a/Modules/md5module.c
+++ b/Modules/md5module.c
@@ -227,8 +227,8 @@
 /* List of functions exported by this module */
 
 static PyMethodDef md5_functions[] = {
-	{"new",		(PyCFunction)MD5_new, 1, new_doc},
-	{"md5",		(PyCFunction)MD5_new, 1, new_doc}, /* Backward compatibility */
+	{"new",		(PyCFunction)MD5_new, METH_VARARGS, new_doc},
+	{"md5",		(PyCFunction)MD5_new, METH_VARARGS, new_doc}, /* Backward compatibility */
 	{NULL,		NULL}	/* Sentinel */
 };