diff --git a/hosts/hainich/services/mattermost.nix b/hosts/hainich/services/mattermost.nix
index 51ccbec..c307905 100644
--- a/hosts/hainich/services/mattermost.nix
+++ b/hosts/hainich/services/mattermost.nix
@@ -17,6 +17,7 @@
       # have to import these here, since container's dont
       # inherit imports of their environment.
       imports = [ ../../../modules/mattermost.nix ];
+      networking.firewall.enable = false;
 
       # couldn't figure out how to actually overwrite modules, so now
       # there's two mattermost modules ...