diff --git a/lam/lib/account.inc b/lam/lib/account.inc
index b9c64c30..451cc3ee 100644
--- a/lam/lib/account.inc
+++ b/lam/lib/account.inc
@@ -399,6 +399,7 @@ function get_preg($argument, $regexp) {
 		case "telephone":	// Allow letters, numbers, space, brackets, /-+.
 					$pregexpr = '/^(\\+)*([0-9a-zA-Z\\.\\ \\(\\)\\/-])*$/';
 					break;
+		case 'nis_recipient':
 		case "email":
 					$pregexpr = '/^([0-9a-zA-Z+\\/\\._-])+[@]([0-9a-zA-Z-])+([.]([0-9a-zA-Z-])+)*$/';
 					break;
@@ -459,9 +460,6 @@ function get_preg($argument, $regexp) {
 		case 'nis_alias':
 					$pregexpr = '/^([[:alnum:]@\\.\\ \\_-])+$/u';
 					break;
-		case 'nis_recipient':
-					$pregexpr = '/^([[:alnum:]@\\.\\ \\_-])+$/u';
-					break;
 		case 'country':	// Allow all letters and space
 					$pregexpr = '/^[[:alpha:]]([[:alpha:] ])+$/u';
 					break;