diff --git a/build/release.js b/build/release.js
index 8624fbbd3..5707945c7 100644
--- a/build/release.js
+++ b/build/release.js
@@ -137,7 +137,7 @@ module.exports = function( Release ) {
 		 */
 		complete: function() {
 			// Build CDN archives
-			Release._walk( buildGoogleCDN, buildMicrosoftCDN, _complete );
+			Release._walk([ buildGoogleCDN, buildMicrosoftCDN, _complete ]);
 		},
 		/**
 		 * Our trac milestones are different than the new version