diff --git a/includes/common.inc b/includes/common.inc
index 0fc380eef3a..8648f862667 100644
--- a/includes/common.inc
+++ b/includes/common.inc
@@ -1986,7 +1986,7 @@ if (version_compare(phpversion(), '5.0') < 0) {
  * Add a <link> tag to the page's HEAD.
  */
 function drupal_add_link($attributes) {
-  drupal_set_html_head('<link'. drupal_attributes($attributes) .">\n");
+  drupal_set_html_head('<link'. drupal_attributes($attributes) ." />\n");
 }