diff --git a/test/integration/InvoiceTest.rb b/test/integration/InvoiceTest.rb
index 8764a8e..cc74eef 100644
--- a/test/integration/InvoiceTest.rb
+++ b/test/integration/InvoiceTest.rb
@@ -83,9 +83,9 @@ def test_update_line
       response = @client.invoice.update_line(
         invoiceId: invoice.id,
         lines: [{
-                  invoiceLineId: invoice_line.lines.first['id'],
-                  unitAmount: { value: '3000', currency: 'USD' }
-                }]
+          invoiceLineId: invoice_line.lines.first['id'],
+          unitAmount: { value: '3000', currency: 'USD' }
+        }]
       )
       assert_true(response)