diff --git a/src/python3.def b/src/python3.def
index d28bfec..744fee5 100644
--- a/src/python3.def
+++ b/src/python3.def
@@ -716,6 +716,7 @@ PyBuffer_Release
 PyMemoryView_FromBuffer
 PyErr_GetHandledException
 PyErr_SetHandledException
+PyType_FromMetaclass
 PyBaseObject_Type DATA
 PyBool_Type DATA
 PyByteArrayIter_Type DATA