diff --git a/displaytweets.php b/displaytweets.php
index 0ec1acc..2a11cbe 100644
--- a/displaytweets.php
+++ b/displaytweets.php
@@ -512,7 +512,7 @@ public function format_tweet( $text ) {
         $text = preg_replace( "#(^|[\n ])([\w]+?://[\w]+[^ \"\n\r\t< ]*)#", "\\1<a href=\"\\2\" target=\"_blank\">\\2</a>", $text );
         $text = preg_replace( "#(^|[\n ])((www|ftp)\.[^ \"\t\n\r< ]*)#", "\\1<a href=\"http://\\2\" target=\"_blank\">\\2</a>", $text );
         $text = preg_replace( "/@(\w+)/", "<a href=\"http://www.twitter.com/\\1\" target=\"_blank\">@\\1</a>", $text );
-        $text = preg_replace( "/#(\w+)/", "<a href=\"http://twitter.com/search?q=%23\\1&src=hash\" target=\"_blank\">#\\1</a>", $text );
+        $text = preg_replace( "/#(\w+)/", "<a href=\"http://twitter.com/search?q=%23\\1&amp;src=hash\" target=\"_blank\">#\\1</a>", $text );
         return $text;
     }