diff --git a/src/runtime/python/pypgf.c b/src/runtime/python/pypgf.c
index e2e880584..357ead6c6 100644
--- a/src/runtime/python/pypgf.c
+++ b/src/runtime/python/pypgf.c
@@ -6,7 +6,9 @@
 #include "./expr.h"
 #include "./ffi.h"
 #include "./transactions.h"
+#ifndef _WIN32
 #include <dirent.h>
+#endif
 
 static ConcrObject*
 Concr_new(PyTypeObject *type, PyObject *args, PyObject *kwds)