diff --git a/conf.d/nextcloud.shore.co.il.conf b/conf.d/nextcloud.shore.co.il.conf
index cb4389cb72f130e14a19005d9f4b9a8b79657dd3..2ba48e12000f69bfd5fe97d4a356f60651aeb14f 100644
--- a/conf.d/nextcloud.shore.co.il.conf
+++ b/conf.d/nextcloud.shore.co.il.conf
@@ -27,5 +27,8 @@ server {
         include                 snippets/proxy-headers.conf;
         proxy_hide_header       X-Frame-Options;
         client_max_body_size    512m;
+        # Temporary measure to test a Collabora Online issue, should not be left
+        # as is.
+        proxy_hide_header       content-security-policy;
     }
 }