diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/tools/inventory.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/tools/inventory.tt
index 0bb130d0c3..782907355a 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/tools/inventory.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/tools/inventory.tt
@@ -168,7 +168,7 @@
         <li>
             <br/>
             <label for="datelastseen">Last inventory date:</label>
-            <input type="text" id="datelastseen" name="datelastseen" value="[% datelastseen | $KohaDates %]" class="datepicker" />
+            <input type="text" id="datelastseen" name="datelastseen" value="[% datelastseen | $KohaDates %]" class="flatpickr" />
             (Skip records marked as seen on or after this date.)
         </li>
         <li>