diff --git a/app/services/process_interaction_service.rb b/app/services/process_interaction_service.rb
index 3159a4ded5af5f7c28db86630b809296035f4809..6b2f6e2d2880a566c396165423e7e7ee7c95fb88 100644
--- a/app/services/process_interaction_service.rb
+++ b/app/services/process_interaction_service.rb
@@ -74,7 +74,7 @@ class ProcessInteractionService < BaseService
   end
 
   def delete_post!(xml, account)
-    status = Status.find(activity_id(xml))
+    status = Status.find(xml.at_xpath('//xmlns:id').content)
 
     return if status.nil?