diff --git a/host_vars/gabriel.c3heaven.de b/host_vars/gabriel.c3heaven.de
index 5ffcce78a2f9ea5551367149869d1927b691fc7c..b226c965ee689b6b1029a5f224b3b696e608630b 100644
--- a/host_vars/gabriel.c3heaven.de
+++ b/host_vars/gabriel.c3heaven.de
@@ -20,9 +20,11 @@ nginx_https_sites:
       config: |-
           root {{ website_deployment_path }};
           location /img/ {
+            add_header Cache-Control no-cache;
             add_header Access-Control-Allow-Origin *;
           }
           location ~ /(.*)_galf_tseuq.html$ {
+            add_header Cache-Control no-cache;
             add_header Access-Control-Allow-Origin *;
           }
     - location: "~ /wiki(.*)$"