diff --git a/slirp_glue/config-host.h b/slirp_glue/config-host.h
index 9bb557ce4..a1259572f 100644
--- a/slirp_glue/config-host.h
+++ b/slirp_glue/config-host.h
@@ -12,8 +12,10 @@ typedef int SOCKET;
 #endif
 
 #ifndef  __cplusplus
+#if __STDC_VERSION__ < 202300L
 typedef int bool;
 #endif
+#endif
 #ifdef _MSC_VER
 #include <win32/stdint.h>
 #else