diff --git a/src/CivicrmMemberRoles.php b/src/CivicrmMemberRoles.php
index c6786c7..2ab7ee4 100644
--- a/src/CivicrmMemberRoles.php
+++ b/src/CivicrmMemberRoles.php
@@ -123,7 +123,9 @@ class CivicrmMemberRoles {
     $types = [];
 
     $this->civicrm->initialize();
-    $result = civicrm_api3('MembershipType', 'get');
+    $result = civicrm_api3('MembershipType', 'get', [
+      'options' => ['limit' => 0, 'sort' => "name"]
+    ]);
     if (empty($result['values'])) {
       return $types;
     }