diff --git a/build/instrumentation.build.js b/build/instrumentation.build.js
index 5abd3bd6..2442ebb1 100644
--- a/build/instrumentation.build.js
+++ b/build/instrumentation.build.js
@@ -68,7 +68,7 @@ export function createConfig({
         })
       ),
       copy({
-        targets: [{ src: ['public/**', '!public/index.html'], dest: '${output.dir}' }]
+        targets: [{ src: ['public/**', '!public/index.html'], dest: `${jsOutputDirectory}` }]
       }),
       // Resolving plugins
       replace(