diff --git a/composer.json b/composer.json
index 5a90f67..80acd9e 100644
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,7 @@
     "homepage": "https://github.com/zendframework/zend-mime",
     "autoload": {
         "psr-4": {
-            "Zend\\Mime": "src/"
+            "Zend\\Mime\\": "src/"
         }
     },
     "require": {