diff --git a/app/controllers/api/v1/webhooks/social_inbox_controller.rb b/app/controllers/api/v1/webhooks/social_inbox_controller.rb
index 9c1a62ba..c6aad11f 100644
--- a/app/controllers/api/v1/webhooks/social_inbox_controller.rb
+++ b/app/controllers/api/v1/webhooks/social_inbox_controller.rb
@@ -91,6 +91,7 @@ module Api
         def object_uri
           @object_uri ||=
             case original_activity[:object]
+            when Array then original_activity[:object].first
             when String then original_activity[:object]
             when Hash then original_activity.dig(:object, :id)
             end