diff --git a/htdocs/iSchedule.php b/htdocs/iSchedule.php
index 2c9f8e6a..365c101c 100644
--- a/htdocs/iSchedule.php
+++ b/htdocs/iSchedule.php
@@ -86,7 +86,7 @@ include("classBrowser.php");
 
 function SRVOk ( $value, $name, $row ) {
   global $BrowserCurrentRow;
-  if ( $BrowserCurrentRow->domain = '' )
+  if ( $BrowserCurrentRow->domain == '' )
     return ''; // skip empty rows
   $s = new iSchedule();
   $s->domain = $BrowserCurrentRow->domain;