diff --git a/odoo/addons/base/ir/ir_actions_report.py b/odoo/addons/base/ir/ir_actions_report.py
index 3d66287289aa0..3b0d752c7816d 100644
--- a/odoo/addons/base/ir/ir_actions_report.py
+++ b/odoo/addons/base/ir/ir_actions_report.py
@@ -197,7 +197,7 @@ def _build_wkhtmltopdf_args(
             paperformat_id,
             landscape,
             specific_paperformat_args=None,
-            set_viewport_size=False):
+            set_viewport_size=True):
         '''Build arguments understandable by wkhtmltopdf bin.
 
         :param paperformat_id: A report.paperformat record.