diff --git a/composer.json b/composer.json
index 1a5f2d95..83f3b1f0 100644
--- a/composer.json
+++ b/composer.json
@@ -26,8 +26,8 @@
             "inc/error.php",
             "inc/functions.php",
             "inc/functions/net.php",
-            "inc/functions/fs.php"
-
+            "inc/functions/fs.php",
+            "inc/functions/mime.php"
         ]
     },
     "license": "Tinyboard + vichan",