diff --git a/ereuse_devicehub/static/js/main_inventory.js b/ereuse_devicehub/static/js/main_inventory.js
index 32067cbc..2478a420 100644
--- a/ereuse_devicehub/static/js/main_inventory.js
+++ b/ereuse_devicehub/static/js/main_inventory.js
@@ -11,15 +11,23 @@ $(document).ready(function() {
 
 function deviceSelect() {
     var devices = $(".deviceSelect").filter(':checked');
+    var devices_count = devices.length;
     var devices_id = $.map(devices, function(x) { return $(x).attr('data')}).join(",");
-    if (devices_id == "") {
+    if (devices_count == 0) {
         $("#addingLotModal .text-danger").show();
         $("#addingLotModal .btn-primary").hide();
 
         $("#removeLotModal .text-danger").show();
         $("#removeLotModal .btn-primary").hide();
+
         $("#addingTagModal .text-danger").show();
         $("#addingTagModal .btn-primary").hide();
+
+        $("#actionModal .text-danger").show();
+        $("#actionModal .btn-primary").hide();
+
+        $("#allocateModal .text-danger").show();
+        $("#allocateModal .btn-primary").hide();
     } else {
         $("#addingLotModal .text-danger").hide();
         $("#addingLotModal .btn-primary").show();
@@ -53,11 +61,15 @@ function removeTag() {
 function newAction(action) {
     $("#actionModal #type").val(action);
     $("#actionModal #title-action").html(action);
+    devices_count = $(".deviceSelect").filter(':checked').length;
+    $("#actionModal .devices-count").html(devices_count);
     $("#activeActionModal").click();
 }
 
 function newAllocate(action) {
     $("#allocateModal #type").val(action);
     $("#allocateModal #title-action").html(action);
+    devices_count = $(".deviceSelect").filter(':checked').length;
+    $("#actionModal .devices-count").html(devices_count);
     $("#activeAllocateModal").click();
 }
diff --git a/ereuse_devicehub/templates/inventory/actions.html b/ereuse_devicehub/templates/inventory/actions.html
index e823f2aa..c74afa41 100644
--- a/ereuse_devicehub/templates/inventory/actions.html
+++ b/ereuse_devicehub/templates/inventory/actions.html
@@ -10,12 +10,17 @@
       <form action="{{ url_for('inventory.devices.action_add') }}" method="post">
       {{ form_new_action.csrf_token }}
         <div class="modal-body">
-          <p class="text-danger">
-              You need select first some device before to do one action
-          </p>
           {% for field in form_new_action %}
           {% if field != form_new_action.csrf_token %}
           {% if field == form_new_action.devices  %}
+          <div class="col-12">
+              {{ field.label(class_="form-label") }}: <span class="devices-count"></span>
+              {{ field(class_="form-control") }}
+              <p class="text-danger">
+                  You need select first some device before to do one action
+              </p>
+              <p class="enumeration-devices"></p>
+          </div>
           {{ field(class_="devicesList") }}
           {% elif field == form_new_action.type %}
             {{ field(class_="form-control") }}