diff --git a/system/helpers/url_helper.php b/system/helpers/url_helper.php
index bf623b0..5f8c6ce 100644
--- a/system/helpers/url_helper.php
+++ b/system/helpers/url_helper.php
@@ -161,7 +161,7 @@
 
 		$site_url = is_array($uri)
 			? site_url($uri)
-			: preg_match('#^(\w+:)?//#i', $uri) ? $uri : site_url($uri);
+			: (preg_match('#^(\w+:)?//#i', $uri) ? $uri : site_url($uri));
 
 		if ($title === '')
 		{