diff --git a/game/q_shared.h b/game/q_shared.h
index 937ebbe..7243d2f 100644
--- a/game/q_shared.h
+++ b/game/q_shared.h
@@ -39,6 +39,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #include <string.h>
 #include <stdlib.h>
 #include <time.h>
+#include <stdbool.h>
 
 #if (defined _M_IX86 || defined __i386__) && !defined C_ONLY && !defined __sun__
 #define id386	1
@@ -60,7 +61,11 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #endif
 
 typedef unsigned char 		byte;
-typedef enum {false, true}	qboolean;
+#if __STDC_VERSION__ < 202311L
+typedef enum{false,true}    qboolean;
+#else
+typedef bool	            qboolean;
+#endif
 
 
 #ifndef NULL