diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index fb4aa830ea0..0ef7115ba21 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -5198,8 +5198,11 @@ class Form
 						$more .= '<div class="tagtr"><div class="tagtd' . (empty($input['tdclass']) ? '' : (' ' . $input['tdclass'])) . '">' . $input['label'] . '</div>';
 						$more .= '<div class="tagtd">';
 						$addnowlink = (empty($input['datenow']) ? 0 : 1);
-						$h = $input['hours'] ?: 0;
-						$m = $input['minutes'] ?: 0;
+						$h = $m = 0;
+						if ($input['type'] == 'datetime) {
+							$h = isset($input['hours']) ? $input['hours'] : 1;
+							$m = isset($input['minutes']) ? $input['minutes'] : 1;
+						}
 						$more .= $this->selectDate($input['value'], $input['name'], $h, $m, 0, '', 1, $addnowlink);
 						$more .= '</div></div>'."\n";
 						$formquestion[] = array('name'=>$input['name'].'day');