diff --git a/report_wkhtmltopdf_param/tests/test_report_paperformat.py b/report_wkhtmltopdf_param/tests/test_report_paperformat.py
index 412b636ea..1c749b132 100644
--- a/report_wkhtmltopdf_param/tests/test_report_paperformat.py
+++ b/report_wkhtmltopdf_param/tests/test_report_paperformat.py
@@ -25,7 +25,7 @@ class TestWkhtmltopdf(odoo.tests.TransactionCase):
                 )
             except ValidationError:
                 error = True
-            self.assertEquals(
+            self.assertEqual(
                 error,
                 False,
                 "There was an error adding wkhtmltopdf "