diff --git a/dashboard/build.sh b/dashboard/build.sh
index 9eb8ced88..cf49874cd 100755
--- a/dashboard/build.sh
+++ b/dashboard/build.sh
@@ -3,7 +3,7 @@
 set -eu
 
 echo "=> Create timezones.js"
-./scripts/createTimezones.js ./public/js/timezones.js
+./scripts/createTimezones.cjs ./public/js/timezones.js
 
 echo "=> Build the dashboard apps"
 ./node_modules/.bin/vite build
diff --git a/dashboard/scripts/createTimezones.js b/dashboard/scripts/createTimezones.cjs
similarity index 100%
rename from dashboard/scripts/createTimezones.js
rename to dashboard/scripts/createTimezones.cjs