diff --git a/public/lucidAuth.login.php b/public/lucidAuth.login.php
index 73f36fb..0024bdf 100644
--- a/public/lucidAuth.login.php
+++ b/public/lucidAuth.login.php
@@ -16,7 +16,7 @@
 				echo '{"Result":"Fail","Reason":"Original request URI lost in transition"}' . PHP_EOL;
 				exit;
 			}
-			$originalUri = $proxyHeaders['XForwardedProto'] . '://' . $proxyHeaders['XForwardedHost'] . $proxyHeaders['XForwardedUri'];
+			$originalUri = !empty($proxyHeaders) ? $proxyHeaders['XForwardedProto'] . '://' . $proxyHeaders['XForwardedHost'] . $proxyHeaders['XForwardedUri'] : '#';
 
 			// Since this request is only ever called through an AJAX-request; return JSON object
 			echo '{"Result":"Success","Location":"' . $originalUri . '"}' . PHP_EOL;