diff --git a/build/buildcvs b/build/buildcvs
index 85bad5735acc2f7ce8c091aa5b7aeeed040a6ae7..10e069ab11a856d7dd81bc7f1acff10c893664b5 100644
--- a/build/buildcvs
+++ b/build/buildcvs
@@ -167,6 +167,7 @@ case "$lustretag" in
         # LNet grained locking and SMP improvement branch
         lnettag="b_hd_lnet_smp"
         lustretag="HEAD"
+        libcfstag="HEAD"
         ;;
 
     b_ula)