diff --git a/flake.nix b/flake.nix
index dbd5221..a6fe355 100644
--- a/flake.nix
+++ b/flake.nix
@@ -37,6 +37,12 @@
 
             services.nginx.enable = true;
             services.nginx.recommendedProxySettings = true;
+            services.nginx.appendHttpConfig = ''
+              types {
+                text/plain wat;
+              }
+            '';
+
             security.acme.acceptTerms = true;
             security.acme.defaults.email = "acme@tempest.dev";