Index: wp-admin/includes/user.php
===================================================================
--- wp-admin/includes/user.php	(revision 12304)
+++ wp-admin/includes/user.php	(working copy)
@@ -181,7 +181,7 @@
 		$user_id = wp_update_user( get_object_vars( $user ) );
 	} else {
 		$user_id = wp_insert_user( get_object_vars( $user ) );
-		wp_new_user_notification( $user_id, isset($_POST['send_password']) ? $pass1 : '' );
+		wp_new_user_notification( $user_id, isset($_POST['send_password']) ? $pass1 : '', 'admin' );
 	}
 	return $user_id;
 }
Index: wp-includes/pluggable.php
===================================================================
--- wp-includes/pluggable.php	(revision 12304)
+++ wp-includes/pluggable.php	(working copy)
@@ -1143,8 +1143,9 @@
  *
  * @param int $user_id User ID
  * @param string $plaintext_pass Optional. The user's plaintext password
+ * @param string $context Optional. Context in which function is called
  */
-function wp_new_user_notification($user_id, $plaintext_pass = '') {
+function wp_new_user_notification($user_id, $plaintext_pass = '', $context = '') {
 	$user = new WP_User($user_id);
 
 	$user_login = stripslashes($user->user_login);
Index: wp-login.php
===================================================================
--- wp-login.php	(revision 12304)
+++ wp-login.php	(working copy)
@@ -270,7 +270,7 @@
 		return $errors;
 	}
 
-	wp_new_user_notification($user_id, $user_pass);
+	wp_new_user_notification( $user_id, $user_pass, 'register' );
 
 	return $user_id;
 }