Index: wp-admin/network/site-new.php
===================================================================
--- wp-admin/network/site-new.php	(revision 28566)
+++ wp-admin/network/site-new.php	(working copy)
@@ -75,7 +75,7 @@
 		if ( false == $user_id )
 			wp_die( __( 'There was an error creating the user.' ) );
 		else
-			wp_new_user_notification( $user_id, $password );
+			wpmu_welcome_user_notification( $user_id, $password );
 	}
 
 	$wpdb->hide_errors();
Index: wp-admin/network/site-users.php
===================================================================
--- wp-admin/network/site-users.php	(revision 28566)
+++ wp-admin/network/site-users.php	(working copy)
@@ -73,7 +73,7 @@
 				if ( false == $user_id ) {
 		 			$update = 'err_new_dup';
 				} else {
-					wp_new_user_notification( $user_id, $password );
+					wpmu_welcome_user_notification( $user_id, $password );
 					add_user_to_blog( $id, $user_id, $_POST['new_role'] );
 					$update = 'newuser';
 				}
Index: wp-admin/network/user-new.php
===================================================================
--- wp-admin/network/user-new.php	(revision 28566)
+++ wp-admin/network/user-new.php	(working copy)
@@ -50,7 +50,7 @@
 		if ( ! $user_id ) {
 	 		$add_user_errors = new WP_Error( 'add_user_fail', __( 'Cannot add user.' ) );
 		} else {
-			wp_new_user_notification( $user_id, $password );
+			wpmu_welcome_user_notification( $user_id, $password );
 			wp_redirect( add_query_arg( array('update' => 'added'), 'user-new.php' ) );
 			exit;
 		}