diff --git a/Classes/CurrentControllerExpressionNode.php b/Classes/CurrentControllerExpressionNode.php
index 03289e1..390af09 100644
--- a/Classes/CurrentControllerExpressionNode.php
+++ b/Classes/CurrentControllerExpressionNode.php
@@ -16,7 +16,7 @@ class CurrentControllerExpressionNode extends AbstractExpressionNode implements
      * note: this could be readonly in PHP8
      * @var string
      */
-    public static string $detectionExpression = '/\{#currentController\.([a-z0-9]+)\}/';
+    public static string $detectionExpression = '/\{#currentController\.([a-zA-Z0-9\.]+)\}/';
 
     public static function evaluateExpression(RenderingContextInterface $renderingContext, $expression, array $matches)
     {
@@ -31,7 +31,7 @@ class CurrentControllerExpressionNode extends AbstractExpressionNode implements
             ) {
                 $propertyToReturn = 'controller' . \ucfirst($propertyToReturn);
             }
-            return ObjectAccess::getProperty(
+            return ObjectAccess::getPropertyPath(
                 $renderingContext->getControllerContext()->getRequest(),
                 $propertyToReturn
             );