diff --git a/projects/ksr-express/build.hxml b/projects/ksr-express/build.hxml
index 43a21eed..8347de6c 100644
--- a/projects/ksr-express/build.hxml
+++ b/projects/ksr-express/build.hxml
@@ -4,6 +4,7 @@
 -lib kiss-spaced-rep
 -cp src
 -D engine=ksr_express.Engine
+-D profileKiss
 --main kiss_spaced_rep.Main
 --js index.js
---cmd node index.js
\ No newline at end of file
+--cmd node index.js