diff --git a/edit-master.php b/edit-master.php
index deab40a..93778a8 100644
--- a/edit-master.php
+++ b/edit-master.php
@@ -158,8 +158,8 @@ limitations under the License.
                         </td>
                         <td><select id="addType" class="form-control select-narrow-70"></select></td>
                         <td><input id="addContent" type="text" class="form-control input-sm" data-regex="^.+$"></td>
-                        <td><input id="addPrio" type="text" class="form-control input-sm" size="1" data-regex="^[0-9]+$"></td>
-                        <td><input id="addTtl" type="text" class="form-control input-sm" size="3" data-regex="^[0-9]+$"></td>
+                        <td><input id="addPrio" type="text" class="form-control input-sm" placeholder="0" size="1" data-regex="^[0-9]*$"></td>
+                        <td><input id="addTtl" type="text" class="form-control input-sm" placeholder="86400" size="3" data-regex="^[0-9]*$"></td>
                         <td colspan="3"><button id="addButton" class="btn btn-success btn-sm">&nbsp;Add&nbsp;</button></td>
                     </tfoot>
                 </table>
diff --git a/js/edit-master.js b/js/edit-master.js
index 61f77d7..318a689 100644
--- a/js/edit-master.js
+++ b/js/edit-master.js
@@ -331,11 +331,17 @@ function addRecord() {
         return;
     }
     
+    var prio = $('#addPrio').val();
+    if(prio.length === 0) prio = 0;
+    
+    var ttl = $('#addTtl').val();
+    if(ttl.length === 0) ttl = 86400;
+    
     var data = {
         type: $('#addType').val(),
         content: $('#addContent').val(),
-        prio: $('#addPrio').val(),
-        ttl: $('#addTtl').val(),
+        prio: prio,
+        ttl: ttl,
         action: "addRecord",
         domain: location.hash.substring(1),
         csrfToken: $('#csrfToken').text()