diff --git a/appexemplo_v1.0/app/lib/widget/FormDin5/webform/FormDinFields/TFormDinRichTextEditor.class.php b/appexemplo_v1.0/app/lib/widget/FormDin5/webform/FormDinFields/TFormDinRichTextEditor.class.php
index eeb25863..96ebd9f4 100644
--- a/appexemplo_v1.0/app/lib/widget/FormDin5/webform/FormDinFields/TFormDinRichTextEditor.class.php
+++ b/appexemplo_v1.0/app/lib/widget/FormDin5/webform/FormDinFields/TFormDinRichTextEditor.class.php
@@ -65,7 +65,7 @@ public function getMaxLength()
     public function setSize($intColumns, $intRows)
     {
         $width  = 0;
-        $height = (int)$intRows;
+        $height = empty($intRows)?100:(int)$intRows;
         $this->getAdiantiObj()->setSize($width, $height);
     }