diff --git a/build/buildcvs b/build/buildcvs
index 559ac2660850ec587a32fae481e3610dd5b84c98..3b8b84623fc682868e8221ee19abfad946f84dc3 100644
--- a/build/buildcvs
+++ b/build/buildcvs
@@ -61,6 +61,10 @@ case "$lustretag" in
 	portalstag=$lustretag
 	;;
 
+    b_ioprovement)
+	portalstag=b_ioprovement
+	;;
+
     v1_[0-3]*|v1_4_*|[A-Z]*)
 	portalstag="$lustretag"
 	;;