diff --git a/backup/util/ui/yui/build/moodle-backup-confirmcancel/moodle-backup-confirmcancel-debug.js b/backup/util/ui/yui/build/moodle-backup-confirmcancel/moodle-backup-confirmcancel-debug.js
index cdbd2063472..713ac2c2dc8 100644
--- a/backup/util/ui/yui/build/moodle-backup-confirmcancel/moodle-backup-confirmcancel-debug.js
+++ b/backup/util/ui/yui/build/moodle-backup-confirmcancel/moodle-backup-confirmcancel-debug.js
@@ -68,8 +68,17 @@ M.core_backup.confirmcancel = {
             // Detach the listeners for the confirm box so they don't fire again.
             new Y.EventHandle(M.core_backup.confirmcancel.listeners).detach();
 
+            // The currentTarget is a div surrounding the form elements. Simulating a click on the div is
+            // not going to submit a form so we need to find the form element to click.
+            var element = e.currentTarget.one('input, select, button');
+
             // Simulate the original cancel button click.
-            e.currentTarget.simulate('click');
+            if (element) {
+                element.simulate('click');
+            } else {
+                // Backwards compatibility only.
+                e.currentTarget.simulate('click');
+            }
         }, this);
 
 
diff --git a/backup/util/ui/yui/build/moodle-backup-confirmcancel/moodle-backup-confirmcancel-min.js b/backup/util/ui/yui/build/moodle-backup-confirmcancel/moodle-backup-confirmcancel-min.js
index db30391c0d4..20654afd15e 100644
--- a/backup/util/ui/yui/build/moodle-backup-confirmcancel/moodle-backup-confirmcancel-min.js
+++ b/backup/util/ui/yui/build/moodle-backup-confirmcancel/moodle-backup-confirmcancel-min.js
@@ -1 +1 @@
-YUI.add("moodle-backup-confirmcancel",function(e,t){M.core_backup=M.core_backup||{},M.core_backup.confirmcancel={listeners:[],config:{},watch_cancel_buttons:function(t){this.config=t,this.listeners.push(e.one(e.config.doc.body).delegate("click",this.confirm_cancel,".confirmcancel",this))},confirm_cancel:function(t){t.preventDefault();var n=new M.core.confirm(this.config);n.on("complete-yes",function(){(new e.EventHandle(M.core_backup.confirmcancel.listeners)).detach(),t.currentTarget.simulate("click")},this),n.show()}}},"@VERSION@",{requires:["node","node-event-simulate","moodle-core-notification-confirm"]});
+YUI.add("moodle-backup-confirmcancel",function(e,t){M.core_backup=M.core_backup||{},M.core_backup.confirmcancel={listeners:[],config:{},watch_cancel_buttons:function(t){this.config=t,this.listeners.push(e.one(e.config.doc.body).delegate("click",this.confirm_cancel,".confirmcancel",this))},confirm_cancel:function(t){t.preventDefault();var n=new M.core.confirm(this.config);n.on("complete-yes",function(){(new e.EventHandle(M.core_backup.confirmcancel.listeners)).detach();var n=t.currentTarget.one("input, select, button");n?n.simulate("click"):t.currentTarget.simulate("click")},this),n.show()}}},"@VERSION@",{requires:["node","node-event-simulate","moodle-core-notification-confirm"]});
diff --git a/backup/util/ui/yui/build/moodle-backup-confirmcancel/moodle-backup-confirmcancel.js b/backup/util/ui/yui/build/moodle-backup-confirmcancel/moodle-backup-confirmcancel.js
index cdbd2063472..713ac2c2dc8 100644
--- a/backup/util/ui/yui/build/moodle-backup-confirmcancel/moodle-backup-confirmcancel.js
+++ b/backup/util/ui/yui/build/moodle-backup-confirmcancel/moodle-backup-confirmcancel.js
@@ -68,8 +68,17 @@ M.core_backup.confirmcancel = {
             // Detach the listeners for the confirm box so they don't fire again.
             new Y.EventHandle(M.core_backup.confirmcancel.listeners).detach();
 
+            // The currentTarget is a div surrounding the form elements. Simulating a click on the div is
+            // not going to submit a form so we need to find the form element to click.
+            var element = e.currentTarget.one('input, select, button');
+
             // Simulate the original cancel button click.
-            e.currentTarget.simulate('click');
+            if (element) {
+                element.simulate('click');
+            } else {
+                // Backwards compatibility only.
+                e.currentTarget.simulate('click');
+            }
         }, this);
 
 
diff --git a/backup/util/ui/yui/src/confirmcancel/js/confirmcancel.js b/backup/util/ui/yui/src/confirmcancel/js/confirmcancel.js
index 488fe3aae5b..6d300562ec3 100644
--- a/backup/util/ui/yui/src/confirmcancel/js/confirmcancel.js
+++ b/backup/util/ui/yui/src/confirmcancel/js/confirmcancel.js
@@ -66,8 +66,17 @@ M.core_backup.confirmcancel = {
             // Detach the listeners for the confirm box so they don't fire again.
             new Y.EventHandle(M.core_backup.confirmcancel.listeners).detach();
 
+            // The currentTarget is a div surrounding the form elements. Simulating a click on the div is
+            // not going to submit a form so we need to find the form element to click.
+            var element = e.currentTarget.one('input, select, button');
+
             // Simulate the original cancel button click.
-            e.currentTarget.simulate('click');
+            if (element) {
+                element.simulate('click');
+            } else {
+                // Backwards compatibility only.
+                e.currentTarget.simulate('click');
+            }
         }, this);