diff --git a/addons/mail/static/src/components/attachment_viewer/attachment_viewer.js b/addons/mail/static/src/components/attachment_viewer/attachment_viewer.js
index 6aa0ed47bbb..6940f6e73c8 100644
--- a/addons/mail/static/src/components/attachment_viewer/attachment_viewer.js
+++ b/addons/mail/static/src/components/attachment_viewer/attachment_viewer.js
@@ -223,17 +223,6 @@ export class AttachmentViewer extends Component {
         this._stopDragging();
     }
 
-    /**
-     * Called when clicking on rotate icon.
-     *
-     * @private
-     * @param {MouseEvent} ev
-     */
-    _onClickRotate(ev) {
-        ev.stopPropagation();
-        this.attachmentViewer.rotate();
-    }
-
     /**
      * Called when clicking on zoom in icon.
      *
diff --git a/addons/mail/static/src/components/attachment_viewer/attachment_viewer.xml b/addons/mail/static/src/components/attachment_viewer/attachment_viewer.xml
index 8c35520f491..2da282201dc 100644
--- a/addons/mail/static/src/components/attachment_viewer/attachment_viewer.xml
+++ b/addons/mail/static/src/components/attachment_viewer/attachment_viewer.xml
@@ -72,7 +72,7 @@
                         <div class="o_AttachmentViewer_toolbarButton btn btn-dark p-3 rounded-0" t-att-class="{ o_disabled: attachmentViewer.scale === MIN_SCALE }" t-on-click="_onClickZoomOut" title="Zoom Out (-)" role="button">
                             <i class="fa fa-fw fa-minus" role="img"/>
                         </div>
-                        <div class="o_AttachmentViewer_toolbarButton btn btn-dark p-3 rounded-0" t-on-click="_onClickRotate" title="Rotate (r)" role="button">
+                        <div class="o_AttachmentViewer_toolbarButton btn btn-dark p-3 rounded-0" t-on-click="attachmentViewer.onClickRotate" title="Rotate (r)" role="button">
                             <i class="fa fa-fw fa-repeat" role="img"/>
                         </div>
                         <div class="o_AttachmentViewer_toolbarButton btn btn-dark p-3 rounded-0" t-on-click="attachmentViewer.onClickPrint" title="Print" role="button">
diff --git a/addons/mail/static/src/models/attachment_viewer.js b/addons/mail/static/src/models/attachment_viewer.js
index d8b5755917c..9e6a38e4bff 100644
--- a/addons/mail/static/src/models/attachment_viewer.js
+++ b/addons/mail/static/src/models/attachment_viewer.js
@@ -109,6 +109,15 @@ registerModel({
             ev.stopPropagation();
             this.print();
         },
+        /**
+         * Called when clicking on rotate icon.
+         *
+         * @param {MouseEvent} ev
+         */
+        onClickRotate(ev) {
+            ev.stopPropagation();
+            this.rotate();
+        },
         /**
          * Called when clicking on embed video player. Stop propagation to prevent
          * closing the dialog.