diff --git a/include/time.h b/include/time.h
index 295df3b5790a..fed2805e03f1 100644
--- a/include/time.h
+++ b/include/time.h
@@ -34,12 +34,11 @@
  * SUCH DAMAGE.
  */
 
-/*
- */
-
 #ifndef _TIME_H_
 #define	_TIME_H_
 
+#define __STDC_VERSION_TIME_H__	202311L
+
 #include <sys/cdefs.h>
 #include <sys/_null.h>
 #include <sys/_types.h>