diff --git a/roles/web-static/templates/nginx.conf.j2 b/roles/web-static/templates/nginx.conf.j2
index 771bb53..25142f6 100644
--- a/roles/web-static/templates/nginx.conf.j2
+++ b/roles/web-static/templates/nginx.conf.j2
@@ -95,8 +95,12 @@ server {
 {% endif %}
 
 {% if a.name == 'chat_web_app' and a.env == 'prod' %}
-    # HeyCatch short links. Unknown paths 404, so the SDK never sees /x.
-    location ~ ^/([a-z0-9])$ {
+    # HeyCatch short links.
+    # f Facebook, h Threads, i Instagram, l LinkedIn, r Reddit, x X, y YouTube.
+    # Relative Location: this vhost listens on the container port. An absolute
+    # redirect would publish that port (hesychia.ai:8082).
+    location ~ ^/([a-z0-9])/?$ {
+        absolute_redirect off;
         return 302 /?utm_source=heycatch&utm_campaign=$1;
     }
 {% endif %}