diff --git a/wp-admin/edit-form-advanced.php b/wp-admin/edit-form-advanced.php
index 852b88c792..50796814a6 100644
--- a/wp-admin/edit-form-advanced.php
+++ b/wp-admin/edit-form-advanced.php
@@ -582,7 +582,7 @@ if ( has_filter( 'pre_get_shortlink' ) || has_filter( 'get_shortlink' ) ) {
 	$shortlink = wp_get_shortlink($post->ID, 'post');
 
 	if ( !empty( $shortlink ) && $shortlink !== $permalink && $permalink !== home_url('?page_id=' . $post->ID) ) {
-    	$sample_permalink_html .= '<input id="shortlink" type="hidden" value="' . esc_attr($shortlink) . '" /><a href="#" class="button button-small" onclick="prompt(&#39;URL:&#39;, jQuery(\'#shortlink\').val()); return false;">' . __('Get Shortlink') . '</a>';
+		$sample_permalink_html .= '<input id="shortlink" type="hidden" value="' . esc_attr( $shortlink ) . '" /><button type="button" class="button button-small" onclick="prompt(&#39;URL:&#39;, jQuery(\'#shortlink\').val());">' . __( 'Get Shortlink' ) . '</button>';
 	}
 }
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 1d42c20ca4..8db13c80a6 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.8-alpha-40577';
+$wp_version = '4.8-alpha-40578';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.