diff --git a/README.md b/README.md
index ccf9369..23d21c8 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # [misdirection](https://packagist.org/packages/nglasl/silverstripe-misdirection)
 
-_The current release is **2.3.0**_
+_The current release is **2.3.1**_
 
 > A module for SilverStripe which will allow both simple and regular expression link redirections based on customisable mappings, either hooking into a page not found or replacing the default automated URL handling.
 
diff --git a/code/extensions/SiteTreeMisdirectionExtension.php b/code/extensions/SiteTreeMisdirectionExtension.php
index f3945ba..8c7d90a 100644
--- a/code/extensions/SiteTreeMisdirectionExtension.php
+++ b/code/extensions/SiteTreeMisdirectionExtension.php
@@ -43,6 +43,9 @@ public function validate(ValidationResult $result) {
 		// Retrieve the vanity mapping URL, where this is only possible using the POST variable.
 
 		$vanityURL = (!Controller::has_curr() || is_null($controller = Controller::curr()) || is_null($URL = $controller->getRequest()->postVar('VanityURL'))) ? $this->owner->VanityMapping()->MappedLink : $URL;
+		if(!$vanityURL) {
+			return $result;
+		}
 
 		// Determine whether another vanity mapping already exists.