diff --git a/app/lib/activitypub/activity.rb b/app/lib/activitypub/activity.rb
index 5cd48a6aec8bc6a068a07e51e1184dbff3d20c31..cdd40604376cf9155bd7c8bd56014ecef100056d 100644
--- a/app/lib/activitypub/activity.rb
+++ b/app/lib/activitypub/activity.rb
@@ -158,7 +158,7 @@ class ActivityPub::Activity
   end
 
   def follow_from_object
-    @follow ||= Follow.find_by(target_account: @account, uri: object_uri) unless object_uri.nil?
+    @follow ||= ::Follow.find_by(target_account: @account, uri: object_uri) unless object_uri.nil?
   end
 
   def fetch_remote_original_status