diff --git a/app/controllers/api/v1/webhooks/social_inbox_controller.rb b/app/controllers/api/v1/webhooks/social_inbox_controller.rb
index 8b8ba35f..02c91813 100644
--- a/app/controllers/api/v1/webhooks/social_inbox_controller.rb
+++ b/app/controllers/api/v1/webhooks/social_inbox_controller.rb
@@ -171,7 +171,9 @@ module Api
 
         # @return [Hash,String]
         def original_object
-          @original_object ||= original_activity[:object].dup
+          @original_object ||= original_activity[:object].dup.tap do |o|
+            o[:@context] = original_activity[:@context].dup
+          end
         end
       end
     end