diff --git a/app/build.sh b/app/build.sh
index ab5f515..7fc3026 100755
--- a/app/build.sh
+++ b/app/build.sh
@@ -2,4 +2,4 @@
 
 cd $(dirname $0)
 wasm-pack build --target web
-rollup ./main.js --format iife --file ./pkg/bundle.js
+../node_modules/rollup/dist/bin/rollup ./main.js --format iife --file ./pkg/bundle.js