diff --git a/include/paths.h b/include/paths.h
index 0c39a22e8b80..e978260422aa 100644
--- a/include/paths.h
+++ b/include/paths.h
@@ -69,6 +69,7 @@
 #define	_PATH_VARRUN	"/var/run/"
 #define	_PATH_VARTMP	"/var/tmp/"
 #define	_PATH_YP	"/var/yp/"
+#define	_PATH_LOCK	"/var/spool/lock/"
 
 /* How to get the correct name of the kernel. */
 __BEGIN_DECLS