diff --git a/docker/files/etc/nginx/conf.d/default.conf b/docker/files/etc/nginx/conf.d/default.conf
index e4821c00..22f8594b 100644
--- a/docker/files/etc/nginx/conf.d/default.conf
+++ b/docker/files/etc/nginx/conf.d/default.conf
@@ -42,7 +42,7 @@ server {
 
     location /collaboration-auth {
         proxy_cache auth_cache;
-        proxy_cache_key "$http_authorization";
+        proxy_cache_key "$http_authorization-$arg_room";
         proxy_cache_valid 200 30s;
 
         proxy_pass http://app-dev:8000/api/v1.0/documents/collaboration-auth/;