diff --git a/src/wp-admin/js/tags-box.js b/src/wp-admin/js/tags-box.js
index 9535255738..af823ac4e6 100644
--- a/src/wp-admin/js/tags-box.js
+++ b/src/wp-admin/js/tags-box.js
@@ -177,7 +177,7 @@ var tagBox, array_unique_noempty;
 				var tax = $(this).closest('div.tagsdiv').attr('id');
 				$(this).suggest(
 					ajaxurl + '?action=ajax-tag-search&tax=' + tax,
-					{ delay: 500, minchars: 2, multiple: true, multipleSep: window.tagsBoxL10n.tagDelimiter + ' ' }
+					{ delay: 500, minchars: 2, multiple: true, multipleSep: window.tagsBoxL10n.tagDelimiter }
 				);
 			});