diff --git a/Classes/ViewHelpers/Field/InputViewHelper.php b/Classes/ViewHelpers/Field/InputViewHelper.php
index 66607059f..a25d48274 100755
--- a/Classes/ViewHelpers/Field/InputViewHelper.php
+++ b/Classes/ViewHelpers/Field/InputViewHelper.php
@@ -47,7 +47,7 @@ public static function getComponent(RenderingContextInterface $renderingContext,
         $input->setMaxCharacters($arguments['maxCharacters']);
         $input->setMinimum($arguments['minimum']);
         $input->setMaximum($arguments['maximum']);
-        $input->setPlaceholder($arguments['placeholder']);
+        $input->setPlaceholder(is_scalar($arguments['placeholder']) ? (string) $arguments['placeholder'] : null);
         $input->setSize($arguments['size']);
         return $input;
     }