diff --git a/nixos/hosts/osaka-linode-01/firewall.nix b/nixos/hosts/osaka-linode-01/firewall.nix
index 6c5f79ce..f77d5769 100644
--- a/nixos/hosts/osaka-linode-01/firewall.nix
+++ b/nixos/hosts/osaka-linode-01/firewall.nix
@@ -116,7 +116,7 @@
     '';
   };
 
-  environment.etc."haproxy-blocked-ips" = ''
+  environment.etc."haproxy-blocked-ips".text = ''
     # https://openai.com/searchbot.json
     20.42.10.176/28
     172.203.190.128/28