diff --git a/composer.json b/composer.json
index f8182c96f78a0..760ec0da13f42 100644
--- a/composer.json
+++ b/composer.json
@@ -278,7 +278,8 @@
         },
         "psr-0": {
             "": [
-                "app/code/"
+                "app/code/",
+                "generated/code/"
             ]
         },
         "files": [