diff --git a/symfony/webpack-encore-bundle/1.0/assets/bootstrap.js b/symfony/webpack-encore-bundle/1.0/assets/bootstrap.js
index 58308a6b..4ab2df64 100644
--- a/symfony/webpack-encore-bundle/1.0/assets/bootstrap.js
+++ b/symfony/webpack-encore-bundle/1.0/assets/bootstrap.js
@@ -4,7 +4,7 @@ import { startStimulusApp } from '@symfony/stimulus-bridge';
 export const app = startStimulusApp(require.context(
     '@symfony/stimulus-bridge/lazy-controller-loader!./controllers',
     true,
-    /\.(j|t)sx?$/
+    /\.[jt]sx?$/
 ));
 
 // register any custom, 3rd party controllers here
diff --git a/symfony/webpack-encore-bundle/1.6/assets/bootstrap.js b/symfony/webpack-encore-bundle/1.6/assets/bootstrap.js
index 58308a6b..4ab2df64 100644
--- a/symfony/webpack-encore-bundle/1.6/assets/bootstrap.js
+++ b/symfony/webpack-encore-bundle/1.6/assets/bootstrap.js
@@ -4,7 +4,7 @@ import { startStimulusApp } from '@symfony/stimulus-bridge';
 export const app = startStimulusApp(require.context(
     '@symfony/stimulus-bridge/lazy-controller-loader!./controllers',
     true,
-    /\.(j|t)sx?$/
+    /\.[jt]sx?$/
 ));
 
 // register any custom, 3rd party controllers here
diff --git a/symfony/webpack-encore-bundle/1.9/assets/bootstrap.js b/symfony/webpack-encore-bundle/1.9/assets/bootstrap.js
index 58308a6b..4ab2df64 100644
--- a/symfony/webpack-encore-bundle/1.9/assets/bootstrap.js
+++ b/symfony/webpack-encore-bundle/1.9/assets/bootstrap.js
@@ -4,7 +4,7 @@ import { startStimulusApp } from '@symfony/stimulus-bridge';
 export const app = startStimulusApp(require.context(
     '@symfony/stimulus-bridge/lazy-controller-loader!./controllers',
     true,
-    /\.(j|t)sx?$/
+    /\.[jt]sx?$/
 ));
 
 // register any custom, 3rd party controllers here