diff --git a/_test/core/TestRequest.php b/_test/core/TestRequest.php
index fa3ddec90fadc125b7f65fd6e04837f031d97ef4..9047f7e88ce28e9c613dddb6786cda9c836a6381 100644
--- a/_test/core/TestRequest.php
+++ b/_test/core/TestRequest.php
@@ -58,6 +58,9 @@ class TestRequest {
         global $output_buffer;
         $output_buffer = '';
 
+        // make globals available as were in a function context here FIXME: any others needed?
+        global $INPUT;
+
         // now execute dokuwiki and grep the output
         header_remove();
         ob_start('ob_start_callback');