diff --git a/Modules/zlibmodule.c b/Modules/zlibmodule.c
index ff34706..9416528 100644
--- a/Modules/zlibmodule.c
+++ b/Modules/zlibmodule.c
@@ -610,7 +610,7 @@
   int length=0, err;
   PyObject *RetVal;
   
-  if (!PyArg_NoArgs(args))
+  if (!PyArg_ParseTuple(args, ""))
       return NULL;
   if (!(RetVal = PyString_FromStringAndSize(NULL, DEFAULTALLOC)))
   {
@@ -675,15 +675,19 @@
 
 static PyMethodDef comp_methods[] =
 {
-        {"compress", (binaryfunc)PyZlib_objcompress, 1, comp_compress__doc__},
-        {"flush", (binaryfunc)PyZlib_flush, 1, comp_flush__doc__},
+        {"compress", (binaryfunc)PyZlib_objcompress, 
+	 METH_VARARGS, comp_compress__doc__},
+        {"flush", (binaryfunc)PyZlib_flush, 
+	 METH_VARARGS, comp_flush__doc__},
         {NULL, NULL}
 };
 
 static PyMethodDef Decomp_methods[] =
 {
-        {"decompress", (binaryfunc)PyZlib_objdecompress, 1, decomp_decompress__doc__},
-        {"flush", (binaryfunc)PyZlib_unflush, 0, decomp_flush__doc__},
+        {"decompress", (binaryfunc)PyZlib_objdecompress, 
+	 METH_VARARGS, decomp_decompress__doc__},
+        {"flush", (binaryfunc)PyZlib_unflush, 
+	 METH_VARARGS, decomp_flush__doc__},
         {NULL, NULL}
 };
 
@@ -750,13 +754,19 @@
 
 static PyMethodDef zlib_methods[] =
 {
-	{"adler32", (PyCFunction)PyZlib_adler32, 1, adler32__doc__},	 
-        {"compress", (PyCFunction)PyZlib_compress, 1, compress__doc__},
-        {"compressobj", (PyCFunction)PyZlib_compressobj, 1, compressobj__doc__},
-	{"crc32", (PyCFunction)PyZlib_crc32, 1, crc32__doc__},	 
-        {"decompress", (PyCFunction)PyZlib_decompress, 1, decompress__doc__},
-        {"decompressobj", (PyCFunction)PyZlib_decompressobj, 1, decompressobj__doc__},
-        {NULL, NULL}
+	{"adler32", (PyCFunction)PyZlib_adler32, 
+	 METH_VARARGS, adler32__doc__},	 
+	{"compress", (PyCFunction)PyZlib_compress, 
+	 METH_VARARGS, compress__doc__},
+	{"compressobj", (PyCFunction)PyZlib_compressobj, 
+	 METH_VARARGS, compressobj__doc__},
+	{"crc32", (PyCFunction)PyZlib_crc32, 
+	 METH_VARARGS, crc32__doc__},	 
+	{"decompress", (PyCFunction)PyZlib_decompress, 
+	 METH_VARARGS, decompress__doc__},
+	{"decompressobj", (PyCFunction)PyZlib_decompressobj, 
+	 METH_VARARGS, decompressobj__doc__},
+	{NULL, NULL}
 };
 
 statichere PyTypeObject Comptype = {