diff --git a/Modules/zlibmodule.c b/Modules/zlibmodule.c
index 8f3202d..55e892a 100644
--- a/Modules/zlibmodule.c
+++ b/Modules/zlibmodule.c
@@ -922,7 +922,7 @@
     if (!PyArg_ParseTuple(args, "s#|k:adler32", &buf, &len, &adler32val))
 	return NULL;
     adler32val = adler32(adler32val, buf, len);
-    return PyInt_FromLong(adler32val);
+    return PyLong_FromLong(adler32val);
 }
 
 PyDoc_STRVAR(crc32__doc__,
@@ -940,7 +940,7 @@
     if (!PyArg_ParseTuple(args, "s#|k:crc32", &buf, &len, &crc32val))
 	return NULL;
     crc32val = crc32(crc32val, buf, len);
-    return PyInt_FromLong(crc32val);
+    return PyLong_FromLong(crc32val);
 }