diff --git a/library/include/wchar.h b/library/include/wchar.h
index a9047d6..053a80d 100644
--- a/library/include/wchar.h
+++ b/library/include/wchar.h
@@ -67,6 +67,10 @@
 #include <locale.h>
 #endif /* _LOCALE_H */
 
+#ifndef _STDINT_H
+#include <stdint.h>
+#endif
+
 /****************************************************************************/
 
 #ifdef __cplusplus
@@ -76,8 +80,6 @@ extern "C" {
 /****************************************************************************/
 
 #define WEOF (-1)
-#define WCHAR_MAX 65535
-#define WCHAR_MIN 0
 
 /****************************************************************************/