diff --git a/addons/mass_mailing/views/snippets_themes_options.xml b/addons/mass_mailing/views/snippets_themes_options.xml
index 5e5055a60b2..705995344b5 100644
--- a/addons/mass_mailing/views/snippets_themes_options.xml
+++ b/addons/mass_mailing/views/snippets_themes_options.xml
@@ -37,9 +37,8 @@
     </div>
 
     <div data-js="sizing_y"
-        data-selector="[data-oe-field='body_html'] > div:not(.o_layout), [data-oe-field='body_html'] .oe_structure > div, th"
-        data-exclude=".o_mail_no_resize, .o_mail_wrapper_td">
-    </div>
+        data-selector="[data-oe-field='body_html'] > div:not(.o_layout), [data-oe-field='body_html'] .oe_structure > div, td, th"
+        data-exclude=".o_mail_no_resize, .o_mail_wrapper_td"/>
 
     <div data-js="colorpicker"
         data-selector="