diff --git a/addons/mail/static/src/components/emojis_popover/emojis_popover.scss b/addons/mail/static/src/components/emojis_popover/emojis_popover.scss
index e49edff659d..3a4559ae2d0 100644
--- a/addons/mail/static/src/components/emojis_popover/emojis_popover.scss
+++ b/addons/mail/static/src/components/emojis_popover/emojis_popover.scss
@@ -5,6 +5,7 @@
 .o_EmojisPopover {
     display: flex;
     flex-flow: row wrap;
+    max-width: 200px;
 }
 
 .o_EmojisPopover_emoji {