1 files changed, 2 insertions, 1 deletions
diff --git a/Parser/myreadline.c b/Parser/myreadline.c
index b10d306..d55fcef 100644
--- a/Parser/myreadline.c
+++ b/Parser/myreadline.c
@@ -247,7 +247,8 @@ PyOS_StdioReadline(FILE *sys_stdin, FILE *sys_stdout, const char *prompt)
     assert(tstate != NULL);
 
 #ifdef MS_WINDOWS
-    if (!Py_LegacyWindowsStdioFlag && sys_stdin == stdin) {
+    const PyConfig *config = _PyInterpreterState_GetConfig(tstate->interp);
+    if (!config->legacy_windows_stdio && sys_stdin == stdin) {
         HANDLE hStdIn, hStdErr;
 
         hStdIn = _Py_get_osfhandle_noraise(fileno(sys_stdin));