diff --git a/Python/pythonrun.c b/Python/pythonrun.c
index e2bddcb..7f6966a 100644
--- a/Python/pythonrun.c
+++ b/Python/pythonrun.c
@@ -175,7 +175,7 @@
 	if (!_PyLong_Init())
 		Py_FatalError("Py_Initialize: can't init longs");
 
-	if (!PyBytes_Init())
+	if (!PyByteArray_Init())
 		Py_FatalError("Py_Initialize: can't init bytes");
 
 	_PyFloat_Init();
@@ -460,7 +460,7 @@
 	PyList_Fini();
 	PySet_Fini();
 	PyString_Fini();
-	PyBytes_Fini();
+	PyByteArray_Fini();
 	PyLong_Fini();
 	PyFloat_Fini();
 	PyDict_Fini();