diff --git a/Modules/binascii.c b/Modules/binascii.c
index ec07a71..0fe85fc 100644
--- a/Modules/binascii.c
+++ b/Modules/binascii.c
@@ -1313,7 +1313,7 @@
 /* Initialization function for the module (*must* be called initbinascii) */
 PyDoc_STRVAR(doc_binascii, "Conversion between binary data and ASCII");
 
-DL_EXPORT(void)
+PyMODINIT_FUNC
 initbinascii(void)
 {
 	PyObject *m, *d, *x;