diff --git a/admin/tool/installaddon/classes/installfromzip_form.php b/admin/tool/installaddon/classes/installfromzip_form.php
index 46b271ca026..fc7c8407780 100644
--- a/admin/tool/installaddon/classes/installfromzip_form.php
+++ b/admin/tool/installaddon/classes/installfromzip_form.php
@@ -67,10 +67,6 @@ class tool_installaddon_installfromzip_form extends moodleform {
         $mform->setType('rootdir', PARAM_PLUGIN);
         $mform->setAdvanced('rootdir');
 
-        $mform->addElement('checkbox', 'acknowledgement', get_string('acknowledgement', 'tool_installaddon'),
-            ' '.get_string('acknowledgementtext', 'tool_installaddon'));
-        $mform->addRule('acknowledgement', get_string('acknowledgementmust', 'tool_installaddon'), 'required', null, 'client');
-
         $this->add_action_buttons(false, get_string('installfromzipsubmit', 'tool_installaddon'));
     }
 
diff --git a/admin/tool/installaddon/lang/en/tool_installaddon.php b/admin/tool/installaddon/lang/en/tool_installaddon.php
index 76d27b980b1..6f1ad096544 100644
--- a/admin/tool/installaddon/lang/en/tool_installaddon.php
+++ b/admin/tool/installaddon/lang/en/tool_installaddon.php
@@ -27,7 +27,6 @@
 defined('MOODLE_INTERNAL') || die();
 
 $string['acknowledgement'] = 'Acknowledgement';
-$string['acknowledgementmust'] = 'You must acknowledge this';
 $string['acknowledgementtext'] = 'I understand that it is my responsibility to have full backups of this site prior to installing additional plugins. I accept and understand that plugins (especially but not only those originating in unofficial sources) may contain security holes, can make the site unavailable, or cause private data leaks or loss.';
 $string['featuredisabled'] = 'The plugin installer is disabled on this site.';
 $string['installaddon'] = 'Install plugin!';
diff --git a/admin/tool/installaddon/renderer.php b/admin/tool/installaddon/renderer.php
index 51e298f0e89..d15c80425bc 100644
--- a/admin/tool/installaddon/renderer.php
+++ b/admin/tool/installaddon/renderer.php
@@ -381,19 +381,26 @@ class tool_installaddon_renderer extends plugin_renderer_base {
      */
     protected function validation_page_continue() {
 
+        $output = '';
         $conturl = $this->validator->get_continue_url();
+
         if (is_null($conturl)) {
             $contbutton = '';
+
         } else {
             $contbutton = $this->output->single_button(
                 $conturl, get_string('installaddon', 'tool_installaddon'), 'post',
                 array('class' => 'singlebutton continuebutton'));
+            $output .= $this->output->heading(get_string('acknowledgement', 'tool_installaddon'), 3);
+            $output .= $this->output->container(get_string('acknowledgementtext', 'tool_installaddon'));
         }
 
         $cancelbutton = $this->output->single_button(
             new moodle_url('/admin/tool/installaddon/index.php'), get_string('cancel', 'core'), 'get',
             array('class' => 'singlebutton cancelbutton'));
 
-        return $this->output->container($cancelbutton.$contbutton, 'postvalidationbuttons');
+        $output .= $this->output->container($cancelbutton.$contbutton, 'postvalidationbuttons');
+
+        return $output;
     }
 }