diff --git a/builtin/credential/ldap/path_login.go b/builtin/credential/ldap/path_login.go
index 4dbbfa17c..5b77f5772 100644
--- a/builtin/credential/ldap/path_login.go
+++ b/builtin/credential/ldap/path_login.go
@@ -11,7 +11,7 @@ import (
 
 func pathLogin(b *backend) *framework.Path {
 	return &framework.Path{
-		Pattern: `login/(?P<username>\w+)`,
+		Pattern: `login/(?P<username>[\w.]+)`,
 		Fields: map[string]*framework.FieldSchema{
 			"username": &framework.FieldSchema{
 				Type:        framework.TypeString,