diff --git a/js-packages/webpack-config/src/extensionId.cjs b/js-packages/webpack-config/src/extensionId.cjs
index 27ea48634c..d89efecd99 100644
--- a/js-packages/webpack-config/src/extensionId.cjs
+++ b/js-packages/webpack-config/src/extensionId.cjs
@@ -1 +1 @@
-module.exports = (name) => (name === 'flarum/core' ? 'core' : name.replace('/flarum-ext-', '-').replace('/flarum-', '').replace('/', '-'));
+module.exports = (name) => (name === 'flarum/core' ? 'core' : name.replace('/flarum-ext-', '-').replace('/flarum-', '-').replace('/', '-'));