diff --git a/lustrecvs b/lustrecvs
index 1e86d0f8246979e18841432864328502f039b343..948d4f1d7b58f7933d9f2af8c7ca92c80113ab30 100755
--- a/lustrecvs
+++ b/lustrecvs
@@ -68,8 +68,12 @@ case "$lustretag" in
 
     # These use special build directories 
 
+    # Maintenance mode -- isolate build system changes
     b1_4*) buildtag="b1_4" ;;
 
+    # Maintenance mode -- isolate build system changes
+    b1_6*) buildtag="b1_6" ;;
+
     b_release_1_4_6-patchless) buildtag="b1_4" ;;
     b_release_1_4_7-test) buildtag="b_release_1_4_7" ;;