diff --git a/include/ssw.h b/include/ssw.h
index 5259c95..32bb146 100644
--- a/include/ssw.h
+++ b/include/ssw.h
@@ -35,7 +35,7 @@ struct _profile;
 typedef struct _profile s_profile;
 
 #ifndef __cplusplus
-typedef unsigned char bool;
+#include <stdbool.h>
 static const bool False = 0;
 static const bool True = 1;
 #endif