diff --git a/app/models/error_detail.rb b/app/models/error_detail.rb
index 47d682b29f1b..ea1cece6c996 100644
--- a/app/models/error_detail.rb
+++ b/app/models/error_detail.rb
@@ -4,6 +4,6 @@ class ErrorDetail < ApplicationRecord
   include Discard::Model
   self.discard_column = :deleted_at
 
-  belongs_to :integration, polymorphic: true
+  belongs_to :integration, polymorphic: true, optional: true
   belongs_to :owner, polymorphic: true
 end
diff --git a/spec/factories/invoices.rb b/spec/factories/invoices.rb
index b16f1635f2bb..ea6f4edaaadc 100644
--- a/spec/factories/invoices.rb
+++ b/spec/factories/invoices.rb
@@ -25,7 +25,9 @@
     end
 
     trait :with_error do
-      error_details
+      after :create do |i|
+        create(:error_detail, owner: i)
+      end
     end
 
     trait :failed do