diff --git a/examples/compute/examples/increment/ex_incrementScript.sml b/examples/compute/examples/increment/ex_incrementScript.sml
index 2cdeb23d5..e5290afe3 100644
--- a/examples/compute/examples/increment/ex_incrementScript.sml
+++ b/examples/compute/examples/increment/ex_incrementScript.sml
@@ -5,7 +5,7 @@
 open HolKernel Parse boolLib bossLib;
 open birTheory;
 open bir_computeTheory;
-
+open bir_metaTheory;
 
 val _ = new_theory "ex_increment";