diff --git a/instances/templates/instance.html b/instances/templates/instance.html
index 8d6393b..c33082e 100644
--- a/instances/templates/instance.html
+++ b/instances/templates/instance.html
@@ -755,7 +755,7 @@
                                                         <div class="form-group">
                                                             <label class="col-sm-3 control-label">{% trans "Live migration" %}</label>
                                                             <div class="col-sm-6">
-                                                                <input type="checkbox" name="live_migrate" id="vm_live_migrate" checked>
+                                                                <input type="checkbox" name="live_migrate" value="true" id="vm_live_migrate" checked>
                                                             </div>
                                                         </div>
                                                         <div class="form-group">
@@ -767,7 +767,7 @@
                                                         <div class="form-group">
                                                             <label class="col-sm-3 control-label">{% trans "Delete original" %}</label>
                                                             <div class="col-sm-6">
-                                                                <input type="checkbox" name="xml_delete" id="xml_delete" checked>
+                                                                <input type="checkbox" name="xml_delete" value="true" id="xml_delete" checked>
                                                             </div>
                                                         </div>
                                                         {% if computes_count != 1 %}
@@ -880,7 +880,7 @@
                                                         <form class="form-group" method="post" role="form">{% csrf_token %}
                                                             <div class="checkbox" style="margin-left: 8px;">
                                                                 <label>
-                                                                    <input type="checkbox" name="delete_disk" checked>
+                                                                    <input type="checkbox" name="delete_disk" value="true" checked>
                                                                     <strong>{% trans "Remove Instance's data" %}</strong>
                                                                 </label>
                                                             </div>