diff --git a/exp-bbv/bbv_main.c b/exp-bbv/bbv_main.c
index 71fb69e..0158fef 100644
--- a/exp-bbv/bbv_main.c
+++ b/exp-bbv/bbv_main.c
@@ -347,6 +347,7 @@
 static IRSB* bbv_instrument ( VgCallbackClosure* closure,
                              IRSB* sbIn, VexGuestLayout* layout,
                              VexGuestExtents* vge,
+                             VexArchInfo* archinfo_host,
                              IRType gWordTy, IRType hWordTy )
 {
    Int      i,n_instrs=1;