diff --git a/app/assets/stylesheets/embed.scss b/app/assets/stylesheets/embed.scss
index 0626960d6f918..92b32e2942843 100644
--- a/app/assets/stylesheets/embed.scss
+++ b/app/assets/stylesheets/embed.scss
@@ -115,8 +115,8 @@ article.post {
 }
 
 img.emoji {
-  width: 20px;
-  height: 20px;
+  width: 1em;
+  height: 1em;
 }
 
 .in-reply-to {