diff --git a/PC/msvcrtmodule.c b/PC/msvcrtmodule.c
index 5c06ec2621ea6c..faceb03fba39d1 100644
--- a/PC/msvcrtmodule.c
+++ b/PC/msvcrtmodule.c
@@ -180,7 +180,7 @@ msvcrt_open_osfhandle_impl(PyObject *module, void *handle, int flags)
     int fd;
 
     if (PySys_Audit("msvcrt.open_osfhandle", "Ki", handle, flags) < 0) {
-        return NULL;
+        return -1;
     }
 
     _Py_BEGIN_SUPPRESS_IPH