diff --git a/frontend/src/pages/TimeClockPage.jsx b/frontend/src/pages/TimeClockPage.jsx
index d3d6e95..a33f305 100644
--- a/frontend/src/pages/TimeClockPage.jsx
+++ b/frontend/src/pages/TimeClockPage.jsx
@@ -267,9 +267,9 @@ const TimeClockPage = () => {
   };
 
   const formatTime = (timeString) => {
-    if (!timeString) return '';
+    if (!timeString) return '00h00';
     const [hours, minutes] = timeString.split(':');
-    return `${hours}h${minutes}`;
+    return `${String(hours).padStart(2, '0')}h${String(minutes).padStart(2, '0')}`;
   };
 
   const formatDate = (dateString) => {
@@ -452,8 +452,8 @@ const TimeClockPage = () => {
                         <td>{entry.user}</td>
                       }
                       <td>{formatDate(entry.date)}</td>
-                      <td>{entry.start_time ? formatTime(entry.start_time) : 'Non renseignée'}</td>
-                      <td>{entry.end_time ? formatTime(entry.end_time) : 'Non renseignée'}</td>
+                      <td>{formatTime(entry.start_time)}</td>
+                      <td>{formatTime(entry.end_time)}</td>
                       <td>{formatDuration(entry.duration)}</td>
                       {isAdmin && 
                         <td>