diff --git a/src/applications/auth/oauth/provider/PhabricatorOAuthProviderGitHub.php b/src/applications/auth/oauth/provider/PhabricatorOAuthProviderGitHub.php
index c91b30a44f..5313efbe9a 100644
--- a/src/applications/auth/oauth/provider/PhabricatorOAuthProviderGitHub.php
+++ b/src/applications/auth/oauth/provider/PhabricatorOAuthProviderGitHub.php
@@ -112,7 +112,7 @@ final class PhabricatorOAuthProviderGitHub extends PhabricatorOAuthProvider {
 
   public function retrieveUserAccountURI() {
     $username = $this->retrieveUserAccountName();
-    if ($username) {
+    if (strlen($username)) {
       return 'https://github.com/'.$username;
     }
     return null;