diff --git a/config/nginx.sample.conf b/config/nginx.sample.conf
index cd103e493ce..6e846f2a95e 100644
--- a/config/nginx.sample.conf
+++ b/config/nginx.sample.conf
@@ -116,7 +116,7 @@ server {
     }
 
     # cache emojis
-    location ~ /_?emoji/ {
+    location ~ /_?emoji.*\.(png|gif|jpg|jpeg)$/ {
       expires 1y;
       add_header Cache-Control public;
     }