diff --git a/include/unistd.h b/include/unistd.h
index 51aa088486f2..0d62a46f9c85 100644
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -111,7 +111,7 @@ typedef	__useconds_t	useconds_t;
 #define	_POSIX_SPIN_LOCKS		200112L
 #define	_POSIX_THREAD_ATTR_STACKADDR	200112L
 #define	_POSIX_THREAD_ATTR_STACKSIZE	200112L
-#define	_POSIX_THREAD_CPUTIME		-1
+#define	_POSIX_THREAD_CPUTIME		200112L
 #define	_POSIX_THREAD_PRIO_INHERIT	200112L
 #define	_POSIX_THREAD_PRIO_PROTECT	200112L
 #define	_POSIX_THREAD_PRIORITY_SCHEDULING 200112L