diff --git a/packages/qwik/src/optimizer/src/plugins/plugin.ts b/packages/qwik/src/optimizer/src/plugins/plugin.ts
index b9e74f2f035..d1359ed359e 100644
--- a/packages/qwik/src/optimizer/src/plugins/plugin.ts
+++ b/packages/qwik/src/optimizer/src/plugins/plugin.ts
@@ -445,7 +445,7 @@ export function createPlugin(optimizerOptions: OptimizerOptions = {}) {
       };
     }
 
-    if (TRANSFORM_EXTS[ext] || pathId.endsWith('.qwik.js')) {
+    if (TRANSFORM_EXTS[ext] || TRANSFORM_REGEX.test(pathId)) {
       log(`transform()`, 'Transforming', pathId);
 
       let filePath = base;
@@ -633,6 +633,8 @@ function removeExtension(id: string) {
 
 const TRANSFORM_EXTS: { [ext: string]: boolean } = { '.jsx': true, '.ts': true, '.tsx': true };
 
+const TRANSFORM_REGEX = /\.qwik\.(m|c)?js$/;
+
 export const QWIK_CORE_ID = '@builder.io/qwik';
 
 export const QWIK_BUILD_ID = '@builder.io/qwik/build';