diff --git a/src/commands/src-file-extension-mapping.ts b/src/commands/src-file-extension-mapping.ts
index b5119dad66..77430ef3ce 100644
--- a/src/commands/src-file-extension-mapping.ts
+++ b/src/commands/src-file-extension-mapping.ts
@@ -10,4 +10,5 @@ export default {
   ejs: 'html',
   njk: 'html',
   scss: 'css',
+  less: 'css',
 };