diff --git a/boot.php b/boot.php
index 8157760e5..15e442d65 100755
--- a/boot.php
+++ b/boot.php
@@ -2113,7 +2113,7 @@ function zid_init(&$a) {
 
 
 function zid($s,$force = false) {
-	if(! strlen($s) || strpos('zid=',$s))
+	if(! strlen($s) || strpos($s,'zid='))
 		return $s;
 	$has_params = ((strpos($s,'?')) ? true : false);
 	$num_slashes = substr_count($s,'/');
diff --git a/version.inc b/version.inc
index c48a4113e..dcc286868 100644
--- a/version.inc
+++ b/version.inc
@@ -1 +1 @@
-2013-05-28.327
+2013-05-29.328