--- spamspan.module	2008-10-14 17:05:13.517140800 +0200
+++ spamspan.module.patched	2008-10-14 17:07:56.922105600 +0200
@@ -153,7 +153,7 @@ function spamspan_callback($matches) {
   $domain = str_replace(".", " [dot] ", $matches[3]);
   if (variable_get('spamspan_use_graphic', 1)) {
      $image = base_path().drupal_get_path("module","spamspan")."/image.gif";
-     $at = '<img alt="at" width="10" src="'.$image.'">';
+     $at = '<img alt="at" width="10" src="'.$image.'" />';
    }
    else {
      $at = variable_get('spamspan_at', ' [at] ');