diff --git a/include/os/osDef.h b/include/os/osDef.h
index 3f4dcfc3c3..81c8a17ad1 100644
--- a/include/os/osDef.h
+++ b/include/os/osDef.h
@@ -245,7 +245,7 @@ void syslog(int unused, const char *format, ...);
 #define TD_TIMEZONE_LEN 96
 
 #if defined(WINDOWS)
-#define TD_PATH_MAX MAX_PATH
+#define TD_PATH_MAX _MAX_PATH
 #elif defined(PATH_MAX)
 #define TD_PATH_MAX PATH_MAX
 #elif defined(_XOPEN_PATH_MAX)