diff --git a/plugins/openid_connect_client/github/OpenIDConnectGithubClient.class.php b/plugins/openid_connect_client/github/OpenIDConnectGithubClient.class.php
index 7b0d058..314e47a 100644
--- a/plugins/openid_connect_client/github/OpenIDConnectGithubClient.class.php
+++ b/plugins/openid_connect_client/github/OpenIDConnectGithubClient.class.php
@@ -16,7 +16,7 @@ class OpenIDConnectGithubClient extends OpenIDConnectClientBase {
    */
   protected $userInfoMapping = array(
     'name' => 'name',
-    'sub' => 'login',
+    'sub' => 'id',
     'email' => 'email',
     'preferred_username' => 'login',
     'picture' => 'avatar_url',