diff --git a/MediaWikiUserpageCustomField.php b/MediaWikiUserpageCustomField.php
index 159cee3..cc87c8b 100644
--- a/MediaWikiUserpageCustomField.php
+++ b/MediaWikiUserpageCustomField.php
@@ -69,7 +69,7 @@ public function renderPropertyViewValue( array $handles ) {
 		$account = $this->getExternalAccount();
 
 		if ( $account === null ) {
-			return pht( 'Unknown' );
+			return;
 		}
 
 		$uri = $account->getAccountURI();