diff --git a/src/Umbraco.Web.UI.Client/src/views/propertyeditors/mediapicker/mediapicker.html b/src/Umbraco.Web.UI.Client/src/views/propertyeditors/mediapicker/mediapicker.html
index fb9b5d77b7..47aaa7e4f3 100644
--- a/src/Umbraco.Web.UI.Client/src/views/propertyeditors/mediapicker/mediapicker.html
+++ b/src/Umbraco.Web.UI.Client/src/views/propertyeditors/mediapicker/mediapicker.html
@@ -53,4 +53,6 @@
         </ul>
     </div>
 
+    <input type="hidden" name="mandatory" ng-model="model.mandatory" ng-required="model.validation.mandatory && !mediaItems.length" />
+
 </div>