diff --git a/dateutils.py b/dateutils.py
index e84bef6..cb611cc 100644
--- a/dateutils.py
+++ b/dateutils.py
@@ -1,5 +1,5 @@
 from datetime import datetime
-
+from typing import Optional
 
 def format_month(month: int) -> str:
     if month == 1:
@@ -32,3 +32,10 @@ def format_month(month: int) -> str:
 
 def format(date: datetime) -> str:
     return f'{date.day} {format_month(date.month)} {date.year} à {date.hour:02}h{date.minute:02}'
+
+
+def format_short(date: Optional[datetime]) -> str:
+    if date is None:
+        return 'XX/XX/XXXX'
+
+    return f'{date.day:02}/{date.month:02}/{date.year}'
diff --git a/db.py b/db.py
index 63d69cd..a3f3bdd 100755
--- a/db.py
+++ b/db.py
@@ -118,6 +118,9 @@ class Calibration:
     def get_pretty_date(self) -> str:
         return dateutils.format(self.validated_date)
 
+    def get_pretty_short_date(self) -> str:
+        return dateutils.format_short(self.validated_date)
+
 
 Calibration.Dummy = Calibration(-1, CalibrationState.Empty, None)
 
diff --git a/templates/base.html b/templates/base.html
index b5c7cd9..8bbfad6 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -43,7 +43,7 @@
                         <a id="calibration-tag-3" class="calibration-tag navbar-item" href="/calibrate" {% if calibration.state != 3 %}style="display: none;"{% endif %}>
                             <span class="tags has-addons">
                                 <span class="tag is-dark">étalonnage</span>
-                                <span class="tag is-success">validé</span>
+                                <span class="tag is-success">validé le {{ calibration.get_pretty_short_date() }}</span>
                             </span>
                         </a>
                     </div>