diff --git a/sys/compat/linuxkpi/common/include/linux/time.h b/sys/compat/linuxkpi/common/include/linux/time.h
--- a/sys/compat/linuxkpi/common/include/linux/time.h
+++ b/sys/compat/linuxkpi/common/include/linux/time.h
@@ -121,6 +121,8 @@
 	return (ts);
 }
 
+#define	ns_to_timespec64(_x)	ns_to_timespec(_x)
+
 static inline int
 timespec_valid(const struct timespec *ts)
 {