diff --git a/sys/sys/unistd.h b/sys/sys/unistd.h
index 4f56cac39e27..2addb71611e7 100644
--- a/sys/sys/unistd.h
+++ b/sys/sys/unistd.h
@@ -72,7 +72,7 @@
 #define	_POSIX_SHARED_MEMORY_OBJECTS	200112L
 #define	_POSIX_SPORADIC_SERVER		-1
 #define	_POSIX_SYNCHRONIZED_IO		-1
-#define	_POSIX_TIMEOUTS			-1
+#define	_POSIX_TIMEOUTS			200112L
 #define	_POSIX_TIMERS			200112L
 #define	_POSIX_TYPED_MEMORY_OBJECTS	-1
 #define	_POSIX_VDISABLE			0xff