diff --git a/addons/web/static/src/core/dialog/dialog.js b/addons/web/static/src/core/dialog/dialog.js
index a63e686188f..f8790f5707f 100644
--- a/addons/web/static/src/core/dialog/dialog.js
+++ b/addons/web/static/src/core/dialog/dialog.js
@@ -30,6 +30,7 @@ export class Dialog extends Component {
 Dialog.template = "web.Dialog";
 Dialog.props = {
     contentClass: { type: String, optional: true },
+    bodyClass: { type: String, optional: true },
     fullscreen: { type: Boolean, optional: true },
     footer: { type: Boolean, optional: true },
     header: { type: Boolean, optional: true },
@@ -48,6 +49,7 @@ Dialog.props = {
 };
 Dialog.defaultProps = {
     contentClass: "",
+    bodyClass: "",
     fullscreen: false,
     footer: true,
     header: true,
diff --git a/addons/web/static/src/core/dialog/dialog.xml b/addons/web/static/src/core/dialog/dialog.xml
index 3a4a2a60c7e..c863985852a 100644
--- a/addons/web/static/src/core/dialog/dialog.xml
+++ b/addons/web/static/src/core/dialog/dialog.xml
@@ -30,7 +30,7 @@
                                 </button>
                             </t>
                         </footer>
-                        <main class="modal-body" t-att-class="{'p-0': !props.withBodyPadding}">
+                        <main class="modal-body" t-attf-class="{{ props.bodyClass }} {{ !props.withBodyPadding ? 'p-0': '' }}">
                             <t t-slot="default" close="data.close" />
                         </main>
                     </div>