Index: src/wp-admin/js/theme.js
===================================================================
--- src/wp-admin/js/theme.js	(revision 36545)
+++ src/wp-admin/js/theme.js	(working copy)
@@ -185,7 +185,7 @@
 			description = data.get( 'description' ).replace( /(<([^>]+)>)/ig, '' );
 			author      = data.get( 'author' ).replace( /(<([^>]+)>)/ig, '' );
 
-			haystack = _.union( name, data.get( 'id' ), description, author, data.get( 'tags' ) );
+			haystack = _.union( [ name, data.get( 'id' ), description, author, data.get( 'tags' ) ] );
 
 			if ( match.test( data.get( 'author' ) ) && term.length > 2 ) {
 				data.set( 'displayAuthor', true );