diff --git a/configuration.nix b/configuration.nix
index 67f14e9..4b6c5bc 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -154,12 +154,12 @@ in
         locations = {
           "/" = {
             proxyPass = "http://localhost:3000";
-            proxySetHeader = {
-              Host = "$host";
-              X-Real-IP = "$remote_addr";
-              X-Forwarded-For = "$proxy_add_x_forwarded_for";
-              X-Forwarded-Proto = "https";
-            };
+            extraConfig = ''
+              proxy_set_header Host $host;
+              proxy_set_header X-Real-IP $remote_addr;
+              proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+              proxy_set_header X-Forwarded-Proto $scheme;
+            '';
           };
         };
       };