diff --git a/wp-admin/includes/class-wp-upgrader.php b/wp-admin/includes/class-wp-upgrader.php
index 7b344b309..532d027ba 100644
--- a/wp-admin/includes/class-wp-upgrader.php
+++ b/wp-admin/includes/class-wp-upgrader.php
@@ -1354,6 +1354,9 @@ class Theme_Installer_Skin extends WP_Upgrader_Skin {
 			'activate' => '<a href="' . $activate_link .  '" class="activatelink" title="' . esc_attr( sprintf( __('Activate &#8220;%s&#8221;'), $name ) ) . '">' . __('Activate') . '</a>'
 							);
 
+		if ( is_network_admin() && current_user_can( 'manage_network_themes' ) )
+			$install_actions['network_enable'] = '<a href="' . esc_url( wp_nonce_url( 'themes.php?action=enable&amp;theme=' . $template, 'enable-theme_' . $template ) ) . '" title="' . esc_attr__( 'Enable this theme for all sites in this network' ) . '" target="_parent">' . __( 'Network Enable' ) . '</a>';
+
 		if ( $this->type == 'web' )
 			$install_actions['themes_page'] = '<a href="' . self_admin_url('theme-install.php') . '" title="' . esc_attr__('Return to Theme Installer') . '" target="_parent">' . __('Return to Theme Installer') . '</a>';
 		else
diff --git a/wp-admin/network/themes.php b/wp-admin/network/themes.php
index a5196a885..a0609578a 100644
--- a/wp-admin/network/themes.php
+++ b/wp-admin/network/themes.php
@@ -40,7 +40,7 @@ if ( $action ) {
 			check_admin_referer('enable-theme_' . $_GET['theme']);
 			$allowed_themes[ $_GET['theme'] ] = true;
 			update_site_option( 'allowedthemes', $allowed_themes );
-			wp_redirect( add_query_arg( 'enabled', '1', $referer ) );
+			wp_redirect( network_admin_url( 'themes.php?enabled=1' ) );
 			exit;
 			break;
 		case 'disable':