diff --git a/mach/vax4/libbsd4_1a/LIST b/mach/vax4/libbsd4_1a/LIST
index 1e6f64720..a148febbc 100644
--- a/mach/vax4/libbsd4_1a/LIST
+++ b/mach/vax4/libbsd4_1a/LIST
@@ -1,4 +1,4 @@
-tail_mon.a
+libmon_s.a
 exit.c
 cleanup.c
 gtty.c