diff --git wp-admin/admin-header.php wp-admin/admin-header.php
index ac79340..736bc8e 100644
--- wp-admin/admin-header.php
+++ wp-admin/admin-header.php
@@ -153,7 +153,7 @@ if ( is_multisite() && is_super_admin() ) {
 	if ( !is_network_admin() )
 		$links[10] = '| <a href="' . network_admin_url() . '" title="' . ( ! empty( $update_title ) ? $update_title : esc_attr__('Network Admin') ) . '">' . __('Network Admin') . ( ! empty( $total_update_count ) ? ' (' . number_format_i18n( $total_update_count ) . ')' : '' ) . '</a>';
 	else
-		$links[10] = '| <a href="' . get_dashboard_url( get_current_user_id() ) . '" title="' . esc_attr__('Site Admin') . '">' . __('Site Admin') . '</a>';
+		$links[10] = '| <a href="' . get_dashboard_url() . '" title="' . esc_attr__('Site Admin') . '">' . __('Site Admin') . '</a>';
 }
 $links[15] = '| <a href="' . wp_logout_url() . '" title="' . esc_attr__('Log Out') . '">' . __('Log Out') . '</a>';
 
diff --git wp-includes/link-template.php wp-includes/link-template.php
index 33f0a7d..a20e2bc 100644
--- wp-includes/link-template.php
+++ wp-includes/link-template.php
@@ -2290,8 +2290,8 @@ function self_admin_url($path = '', $scheme = 'admin') {
  * @param string $scheme The scheme to use. Default is 'admin', which obeys force_ssl_admin() and is_ssl(). 'http' or 'https' can be passed to force those schemes.
  * @return string Dashboard url link with optional path appended
  */
-function get_dashboard_url( $user_id, $path = '', $scheme = 'admin' ) {
-	$user_id = (int) $user_id;
+function get_dashboard_url( $user_id = 0, $path = '', $scheme = 'admin' ) {
+	$user_id = ( $user_id ) ? (int) $user_id : get_current_user_id();
 
 	$blogs = get_blogs_of_user( $user_id );
 	if ( empty($blogs) ) {
@@ -2319,21 +2319,21 @@ function get_dashboard_url( $user_id, $path = '', $scheme = 'admin' ) {
  *
  * @since 3.1.0
  *
- * @param int $user User ID
+ * @param int $user_id User ID
  * @param string $scheme The scheme to use. Default is 'admin', which obeys force_ssl_admin() and is_ssl(). 'http' or 'https' can be passed to force those schemes.
  * @return string Dashboard url link with optional path appended
  */
-function get_edit_profile_url( $user, $scheme = 'admin' ) {
-	$user = (int) $user;
+function get_edit_profile_url( $user_id = 0, $scheme = 'admin' ) {
+	$user_id = ( $user_id ) ? (int) $user_id : get_current_user_id();
 
 	if ( is_user_admin() )
 		$url = user_admin_url( 'profile.php', $scheme );
 	elseif ( is_network_admin() )
 		$url = network_admin_url( 'profile.php', $scheme );
 	else
-		$url = get_dashboard_url( $user, 'profile.php', $scheme );
+		$url = get_dashboard_url( $user_id, 'profile.php', $scheme );
 
-	return apply_filters( 'edit_profile_url', $url, $user, $scheme);
+	return apply_filters( 'edit_profile_url', $url, $user_id, $scheme);
 }
 
 /**