diff --git a/plugins/WebMonetization/WebMonetization.php b/plugins/WebMonetization/WebMonetization.php
index 8f3300d62e..2ffd9d8144 100644
--- a/plugins/WebMonetization/WebMonetization.php
+++ b/plugins/WebMonetization/WebMonetization.php
@@ -243,11 +243,11 @@ class WebMonetization extends Plugin
     public function onActivityPubAddActivityStreamsTwoData(string $type_name, &$type): bool
     {
         if ($type_name === 'Person') {
-            $actor   = \Plugin\ActivityPub\ActivityPub::getActorByUri($type->getId());
-            $wallet  = DB::findOneBy(Wallet::class, ['actor_id' => $actor->getId()], return_null: true);
-            $address = $wallet?->getAddress();
-            if ($address) {
-                $type->set('webmonetizationWallet', $address);
+            $actor  = \Plugin\ActivityPub\ActivityPub::getActorByUri($type->getId());
+            $wallet = DB::findOneBy(Wallet::class, ['actor_id' => $actor->getId()], return_null: true);
+
+            if (!\is_null($address = $wallet?->getAddress())) {
+                $type->set('gs:webmonetizationWallet', $address);
             }
         }
         return Event::next;