diff --git a/composer.json b/composer.json
index 1363517..58ec895 100644
--- a/composer.json
+++ b/composer.json
@@ -8,7 +8,7 @@
     },
     "autoload": {
         "psr-4": {
-            "shadoll\\sLetter": ""
+            "shadoll\\sLetter\\": ""
         }
     },
     "authors": [