diff --git a/Python/fileutils.c b/Python/fileutils.c
index 366bd00..75e015a 100644
--- a/Python/fileutils.c
+++ b/Python/fileutils.c
@@ -536,7 +536,7 @@
                    int current_locale, _Py_error_handler errors)
 {
     if (current_locale) {
-#ifdef __ANDROID__
+#if defined(__ANDROID__) || defined(__VXWORKS__)
         return _Py_DecodeUTF8Ex(arg, strlen(arg), wstr, wlen, reason,
                                 errors);
 #else
@@ -544,7 +544,7 @@
 #endif
     }
 
-#if defined(__APPLE__) || defined(__ANDROID__)
+#if defined(__APPLE__) || defined(__ANDROID__) || defined(__VXWORKS__)
     return _Py_DecodeUTF8Ex(arg, strlen(arg), wstr, wlen, reason,
                             errors);
 #else
@@ -569,7 +569,7 @@
 #endif
 
     return decode_current_locale(arg, wstr, wlen, reason, errors);
-#endif   /* __APPLE__ or __ANDROID__ */
+#endif   /* __APPLE__ or __ANDROID__ or __VXWORKS__ */
 }