diff --git a/azkaban-webserver/src/main/resources/azkaban/webapp/servlet/velocity/projectmodals.vm b/azkaban-webserver/src/main/resources/azkaban/webapp/servlet/velocity/projectmodals.vm
index 3b9d72d..c8705c5 100644
--- a/azkaban-webserver/src/main/resources/azkaban/webapp/servlet/velocity/projectmodals.vm
+++ b/azkaban-webserver/src/main/resources/azkaban/webapp/servlet/velocity/projectmodals.vm
@@ -43,6 +43,9 @@
</label>
<div class="col-sm-3">
<div class="checkbox">
+ ## Add a hidden input so that when user uncheck the checkbox, "fix" field will
+ ## still have value set to "off". This enables us to distinguish whether the
+ ## user uncheck the checkbox or we turn off the fix prompt UI.
<input type="hidden" name="fix" value="off">
<input type="checkbox" id="fix" name="fix" value="on" checked="checked">
</div>
