diff --git a/tests/Composer/Test/Package/Archiver/ZipArchiverTest.php b/tests/Composer/Test/Package/Archiver/ZipArchiverTest.php
index a11320325..47a9d7c7f 100644
--- a/tests/Composer/Test/Package/Archiver/ZipArchiverTest.php
+++ b/tests/Composer/Test/Package/Archiver/ZipArchiverTest.php
@@ -31,7 +31,7 @@ class ZipArchiverTest extends ArchiverTest
             'foo' . getcwd() . '/file.txt',
         );
         // Set up repository
-        $this->setupDummyRepo(array_merge($files));
+        $this->setupDummyRepo($files);
         $package = $this->setupPackage();
         $target = sys_get_temp_dir().'/composer_archiver_test.zip';