diff --git a/Classes/JumpUrlProcessor.php b/Classes/JumpUrlProcessor.php
index e6d4a1a..3f94fae 100644
--- a/Classes/JumpUrlProcessor.php
+++ b/Classes/JumpUrlProcessor.php
@@ -203,9 +203,9 @@ protected function getTypoLinkParameter(array $configuration)
         return $linkParameter;
     }
 
-    protected function getTypoScriptFrontendController(): TypoScriptFrontendController
+    protected function getTypoScriptFrontendController(): ?TypoScriptFrontendController
     {
-        return $this->frontendController ?? $GLOBALS['TSFE'];
+        return $this->frontendController ?? $GLOBALS['TSFE'] ?? null;
     }
 
     protected function getContentObjectRenderer(): ContentObjectRenderer