diff --git a/addons/report/views/report_paperformat_views.xml b/addons/report/views/report_paperformat_views.xml
index cb655f1708a..4e2a45a8165 100644
--- a/addons/report/views/report_paperformat_views.xml
+++ b/addons/report/views/report_paperformat_views.xml
@@ -29,7 +29,7 @@
                         <field name="header_line" />
                         <field name="header_spacing" />
                         <field name="dpi" />
-                        <field name="report_ids" widget="many2many_tags"/>
+                        <field name="report_ids" widget="many2many_tags" options="{'not_delete': True}"/>
                     </group>
                 </form>
             </field>