diff --git a/addons/web/views/report_templates.xml b/addons/web/views/report_templates.xml
index 6c8b8b1ab06..e22bc9edaf2 100644
--- a/addons/web/views/report_templates.xml
+++ b/addons/web/views/report_templates.xml
@@ -50,6 +50,7 @@
               t-att-data-report-margin-top="data_report_margin_top"
               t-att-data-report-header-spacing="data_report_header_spacing"
               t-att-data-report-dpi="data_report_dpi"
+              t-att-data-report-landscape="data_report_landscape"
               t-att-web-base-url="web_base_url">
             <head>
                 <meta charset="utf-8" />
diff --git a/odoo/addons/base/models/ir_actions_report.py b/odoo/addons/base/models/ir_actions_report.py
index f5537b631d2..f1d7c812fde 100644
--- a/odoo/addons/base/models/ir_actions_report.py
+++ b/odoo/addons/base/models/ir_actions_report.py
@@ -206,6 +206,9 @@ class IrActionsReport(models.Model):
         :param set_viewport_size: Enable a viewport sized '1024x1280' or '1280x1024' depending of landscape arg.
         :return: A list of string representing the wkhtmltopdf process command args.
         '''
+        if landscape is None and specific_paperformat_args and specific_paperformat_args.get('data-report-landscape'):
+            landscape = specific_paperformat_args.get('data-report-landscape')
+
         command_args = []
         if set_viewport_size:
             command_args.extend(['--viewport-size', landscape and '1024x1280' or '1280x1024'])