diff --git a/plugins/DomainWhitelist/DomainWhitelistPlugin.php b/plugins/DomainWhitelist/DomainWhitelistPlugin.php
index bb63f666a1..4f8513238e 100644
--- a/plugins/DomainWhitelist/DomainWhitelistPlugin.php
+++ b/plugins/DomainWhitelist/DomainWhitelistPlugin.php
@@ -98,7 +98,7 @@ class DomainWhitelistPlugin extends Plugin
     {
         $whitelist = $this->getWhitelist();
 
-        if (empty($whitelist)) {
+        if (empty($whitelist) || empty($whitelist[0])) {
             return true;
         }