diff --git a/webadmin/src/setup.html b/webadmin/src/setup.html
index 9f7a150fd..56b5ea73c 100644
--- a/webadmin/src/setup.html
+++ b/webadmin/src/setup.html
@@ -79,7 +79,7 @@
                                 </div>
                                 <div class="form-group" ng-class="{ 'has-error': setupForm.instanceId.$dirty && (setupForm.instanceId.$invalid || error) }" ng-show="provider === 'ami'">
                                     <p>Provide the EC2 instance id to verify you are the owner</p>
-                                    <input type="text" class="form-control" ng-model="instanceId" id="inputInstanceId" name="instanceId" placeholder="AWS EC2 instance id" ng-maxlength="20" ng-minlength="10" required autocomplete="off">
+                                    <input type="text" class="form-control" ng-model="instanceId" id="inputInstanceId" name="instanceId" placeholder="AWS EC2 instance id" ng-maxlength="20" ng-minlength="10" ng-required="provider === 'ami'" autocomplete="off">
                                     <p ng-show="error" class="has-error">{{ error }}</p>
                                 </div>
                             </div>