diff --git a/server.php b/server.php
index 5fb6379e..1e44b886 100644
--- a/server.php
+++ b/server.php
@@ -8,7 +8,7 @@
  */
 
 $uri = urldecode(
-    parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH)
+    parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH) ?? ''
 );
 
 // This file allows us to emulate Apache's "mod_rewrite" functionality from the