diff --git a/PC/python3.def b/PC/python3.def
index e146e8f..e8d2d8c 100644
--- a/PC/python3.def
+++ b/PC/python3.def
@@ -648,6 +648,7 @@
   Py_FatalError=python36.Py_FatalError
   Py_FileSystemDefaultEncoding=python36.Py_FileSystemDefaultEncoding DATA
   Py_Finalize=python36.Py_Finalize
+  Py_FinalizeEx=python36.Py_FinalizeEx
   Py_GetBuildInfo=python36.Py_GetBuildInfo
   Py_GetCompiler=python36.Py_GetCompiler
   Py_GetCopyright=python36.Py_GetCopyright