diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index 855fb711a86..a5d93f75202 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -7009,8 +7009,8 @@ class Form
 
 		$retstring = '<span class="nowraponall">';
 
-		$hourSelected = 0;
-		$minSelected = 0;
+		$hourSelected = '';
+		$minSelected = '';
 
 		// Hours
 		if ($iSecond != '') {
@@ -7024,14 +7024,14 @@ class Form
 			$retstring .= '<select class="flat" id="select_'.$prefix.'hour" name="'.$prefix.'hour"'.($disabled ? ' disabled' : '').'>';
 			for ($hour = 0; $hour < 25; $hour++) {	// For a duration, we allow 24 hours
 				$retstring .= '<option value="'.$hour.'"';
-				if ($hourSelected == $hour) {
+				if (is_numeric($hourSelected) && $hourSelected == $hour) {
 					$retstring .= " selected";
 				}
 				$retstring .= ">".$hour."</option>";
 			}
 			$retstring .= "</select>";
 		} elseif ($typehour == 'text' || $typehour == 'textselect') {
-			$retstring .= '<input placeholder="'.$langs->trans('HourShort').'" type="number" min="0" name="'.$prefix.'hour"'.($disabled ? ' disabled' : '').' class="flat maxwidth50 inputhour" value="'.(($hourSelected != '') ? ((int) $hourSelected) : '').'">';
+			$retstring .= '<input placeholder="'.$langs->trans('HourShort').'" type="number" min="0" name="'.$prefix.'hour"'.($disabled ? ' disabled' : '').' class="flat maxwidth50 inputhour right" value="'.(($hourSelected != '') ? ((int) $hourSelected) : '').'">';
 		} else {
 			return 'BadValueForParameterTypeHour';
 		}
@@ -7046,21 +7046,23 @@ class Form
 		if ($minunderhours) {
 			$retstring .= '<br>';
 		} else {
-			$retstring .= '<span class="hideonsmartphone">&nbsp;</span>';
+			if ($typehour != 'text') {
+				$retstring .= '<span class="hideonsmartphone">&nbsp;</span>';
+			}
 		}
 
 		if ($typehour == 'select' || $typehour == 'textselect') {
 			$retstring .= '<select class="flat" id="select_'.$prefix.'min" name="'.$prefix.'min"'.($disabled ? ' disabled' : '').'>';
 			for ($min = 0; $min <= 55; $min = $min + 5) {
 				$retstring .= '<option value="'.$min.'"';
-				if ($minSelected == $min) {
+				if (is_numeric($minSelected) && $minSelected == $min) {
 					$retstring .= ' selected';
 				}
 				$retstring .= '>'.$min.'</option>';
 			}
 			$retstring .= "</select>";
 		} elseif ($typehour == 'text') {
-			$retstring .= '<input placeholder="'.$langs->trans('MinuteShort').'" type="number" min="0" name="'.$prefix.'min"'.($disabled ? ' disabled' : '').' class="flat maxwidth50 inputminute" value="'.(($minSelected != '') ? ((int) $minSelected) : '').'">';
+			$retstring .= '<input placeholder="'.$langs->trans('MinuteShort').'" type="number" min="0" name="'.$prefix.'min"'.($disabled ? ' disabled' : '').' class="flat maxwidth50 inputminute right" value="'.(($minSelected != '') ? ((int) $minSelected) : '').'">';
 		}
 
 		if ($typehour != 'text') {
diff --git a/htdocs/projet/tasks/time.php b/htdocs/projet/tasks/time.php
index 30f2a867af0..57f1a5259cb 100644
--- a/htdocs/projet/tasks/time.php
+++ b/htdocs/projet/tasks/time.php
@@ -1,6 +1,6 @@
 <?php
 /* Copyright (C) 2005		Rodolphe Quiedeville	<rodolphe@quiedeville.org>
- * Copyright (C) 2006-2021	Laurent Destailleur		<eldy@users.sourceforge.net>
+ * Copyright (C) 2006-2023	Laurent Destailleur		<eldy@users.sourceforge.net>
  * Copyright (C) 2010-2012	Regis Houssin			<regis.houssin@inodbox.com>
  * Copyright (C) 2011		Juanjo Menent			<jmenent@2byte.es>
  * Copyright (C) 2018		Ferran Marcet			<fmarcet@2byte.es>
@@ -1921,20 +1921,20 @@ if (($id > 0 || !empty($ref)) || $projectidforalltimes > 0 || $allprojectforuser
 			// Duration - Time spent
 			print '<td class="liste_titre right">';
 
-			$durationtouse_start = 0;
+			$durationtouse_start = '';
 			if ($search_timespent_starthour || $search_timespent_startmin) {
 				$durationtouse_start = ($search_timespent_starthour * 3600 + $search_timespent_startmin * 60);
 			}
-			print '<div class="nowraponall">'.$langs->trans('from').'&nbsp;';
-			$form->select_duration('search_timespent_duration_start', $durationtouse_start, 0, 'text');
+			print '<div class="nowraponall">'.$langs->trans('from').' ';
+			print $form->select_duration('search_timespent_duration_start', $durationtouse_start, 0, 'text', 0, 1);
 			print '</div>';
 
-			$durationtouse_end = 0;
+			$durationtouse_end = '';
 			if ($search_timespent_endhour || $search_timespent_endmin) {
 				$durationtouse_end = ($search_timespent_endhour * 3600 + $search_timespent_endmin * 60);
 			}
-			print '<div class="nowraponall">'.$langs->trans('at').'&nbsp;';
-			$form->select_duration('search_timespent_duration_end', $durationtouse_end, 0, 'text');
+			print '<div class="nowraponall">'.$langs->trans('at').' ';
+			print $form->select_duration('search_timespent_duration_end', $durationtouse_end, 0, 'text', 0, 1);
 			print '</div>';
 
 			print '</td>';