diff --git a/src/Extensions/PageExtension.php b/src/Extensions/PageExtension.php
index fe551e7..bdfaa5f 100755
--- a/src/Extensions/PageExtension.php
+++ b/src/Extensions/PageExtension.php
@@ -31,7 +31,7 @@ public function onBeforeInit()
         $siteID = $siteConfig->ID;
 
         // Get the theme ID / Name
-        $theme = ($siteID === 1) ? 'mainsite' : 'subsite-' . $siteID;
+        $theme = ($siteID == 1) ? 'mainsite' : 'subsite-' . $siteID;
 
         $themeCssFilePath = '/app/client/styles/' . $theme . '-theme.css';