diff --git a/src/Composer/Package/Dumper/ArrayDumper.php b/src/Composer/Package/Dumper/ArrayDumper.php
index 1c4283855..75fba6867 100644
--- a/src/Composer/Package/Dumper/ArrayDumper.php
+++ b/src/Composer/Package/Dumper/ArrayDumper.php
@@ -23,6 +23,7 @@ class ArrayDumper
     public function dump(PackageInterface $package)
     {
         $keys = array(
+            'bin',
             'type',
             'names',
             'extra',