diff --git a/composer.json b/composer.json
index 1bf7b1042..a3d1a500c 100644
--- a/composer.json
+++ b/composer.json
@@ -40,7 +40,7 @@
     },
     "autoload-dev": {
         "psr-4" : {
-            "Twig\\Tests\\" : "test/twig/tests"
+            "Twig\\Tests\\" : "test/Twig/Tests"
         }
     },
     "extra": {