--- Libc/Libc-391/include/stdbool.h
+++ Libc/Libc-583/include/stdbool.h
@@ -33,14 +33,14 @@
 
 #ifndef __cplusplus
 
-#define	false	0
-#define	true	1
-
 #define	bool	_Bool
 #if __STDC_VERSION__ < 199901L && __GNUC__ < 3
 typedef	int	_Bool;
 #endif
 
+#define	false	(bool)0
+#define	true	(bool)1
+
 #endif /* !__cplusplus */
 
 #endif /* !_STDBOOL_H_ */