diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index 34ca01b683c..f035f877681 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -5967,7 +5967,7 @@ class Form
// Set height automatically if not defined
if (empty($height)) {
- $height = 220;
+ $height = 240;
if (is_array($formquestion) && count($formquestion) > 2) {
$height += ((count($formquestion) - 2) * 24);
}