diff --git a/Classes/Wegmeister/Hyphenator/ViewHelpers/Format/HyphenateViewHelper.php b/Classes/Wegmeister/Hyphenator/ViewHelpers/Format/HyphenateViewHelper.php
index 7ab1ea7..c3a02d4 100644
--- a/Classes/Wegmeister/Hyphenator/ViewHelpers/Format/HyphenateViewHelper.php
+++ b/Classes/Wegmeister/Hyphenator/ViewHelpers/Format/HyphenateViewHelper.php
@@ -152,7 +152,8 @@ public function render($value = NULL, $locale = null)
         }
 
         if ($value === NULL) {
-            $value = $this->buildRenderChildrenClosure()();
+            $closure = $this->buildRenderChildrenClosure();
+            $value = $closure();
         }
         if (is_string($value) || (is_object($value) && method_exists($value, '__toString'))) {
             if ($locale === null) {