diff --git a/nginx.conf.sample b/nginx.conf.sample
index d22edd0d5f5f0..2151197123f09 100644
--- a/nginx.conf.sample
+++ b/nginx.conf.sample
@@ -112,7 +112,7 @@ location /static/ {
         rewrite ^/static/version\d*/(.*)$ /static/$1 last;
     }
 
-    location ~* \.(ico|jpg|jpeg|png|gif|svg|webp|js|css|swf|eot|ttf|otf|woff|woff2|html|json)$ {
+    location ~* \.(ico|jpg|jpeg|png|gif|svg|webp|avif|js|css|swf|eot|ttf|otf|woff|woff2|html|json)$ {
         add_header Cache-Control "public";
         add_header X-Frame-Options "SAMEORIGIN";
         expires +1y;
@@ -166,7 +166,7 @@ location /media/ {
         deny all;
     }
 
-    location ~* \.(ico|jpg|jpeg|png|gif|svg|webp|js|css|swf|eot|ttf|otf|woff|woff2)$ {
+    location ~* \.(ico|jpg|jpeg|png|gif|svg|webp|avif|js|css|swf|eot|ttf|otf|woff|woff2)$ {
         add_header Cache-Control "public";
         add_header X-Frame-Options "SAMEORIGIN";
         expires +1y;