diff --git a/src/wp-admin/options-discussion.php b/src/wp-admin/options-discussion.php
index 3d59195fd4..27248eaa58 100644
--- a/src/wp-admin/options-discussion.php
+++ b/src/wp-admin/options-discussion.php
@@ -240,7 +240,6 @@ $avatar_defaults = array(
  */
 $avatar_defaults = apply_filters( 'avatar_defaults', $avatar_defaults );
 $default = get_option( 'avatar_default', 'mystery' );
-$size = 32;
 $avatar_list = '';
 
 // Force avatars on to display these choices
@@ -249,12 +248,7 @@ add_filter( 'pre_option_show_avatars', '__return_true', 100 );
 foreach ( $avatar_defaults as $default_key => $default_name ) {
 	$selected = ($default == $default_key) ? 'checked="checked" ' : '';
 	$avatar_list .= "\n\t<label><input type='radio' name='avatar_default' id='avatar_{$default_key}' value='" . esc_attr($default_key) . "' {$selected}/> ";
-
-	$avatar = get_avatar( $user_email, $size, $default_key );
-	$avatar = preg_replace( "/src='(.+?)'/", "src='\$1&amp;forcedefault=1'", $avatar );
-	$avatar = preg_replace( "/srcset='(.+?) 2x'/", "srcset='\$1&amp;forcedefault=1 2x'", $avatar );
-	$avatar_list .= $avatar;
-
+	$avatar_list .= get_avatar( $user_email, 32, $default_key, '', array( 'force_default' => true ) );
 	$avatar_list .= ' ' . $default_name . '</label>';
 	$avatar_list .= '<br />';
 }