diff --git a/support/nginx/mobilizon-release.conf b/support/nginx/mobilizon-release.conf
index d6303e0b..f074c354 100644
--- a/support/nginx/mobilizon-release.conf
+++ b/support/nginx/mobilizon-release.conf
@@ -75,6 +75,13 @@ server {
         default_type "text/plain";
     }
 
+    location ~ ^/img {
+        root /opt/mobilizon/priv/static;
+        etag off;
+        access_log off;
+        add_header Cache-Control "public, max-age=31536000, immutable";
+    }
+
     location ~ ^/(js|css) {
         root /opt/mobilizon/priv/static;
         etag off;
diff --git a/support/nginx/mobilizon-source.conf b/support/nginx/mobilizon-source.conf
index ab6a81f1..ff626e19 100644
--- a/support/nginx/mobilizon-source.conf
+++ b/support/nginx/mobilizon-source.conf
@@ -75,6 +75,13 @@ server {
         default_type "text/plain";
     }
 
+    location ~ ^/img {
+        root /opt/mobilizon/priv/static;
+        etag off;
+        access_log off;
+        add_header Cache-Control "public, max-age=31536000, immutable";
+    }
+
     location ~ ^/(js|css) {
         root /home/mobilizon/live/priv/static;
         etag off;