diff --git a/nixpacks.toml b/nixpacks.toml
index 67947e96..be8e85e4 100644
--- a/nixpacks.toml
+++ b/nixpacks.toml
@@ -1,13 +1,8 @@
-[variables]
-VITE_REVERB_HOST = "reverb.muronegro.cloud"
-VITE_REVERB_PORT = "443"
-VITE_REVERB_SCHEME = "https"
-
 [phases.build]
 cmds = [
   "composer install --optimize-autoloader --no-scripts",
   "npm ci",
-  "npm run build"
+  "VITE_REVERB_HOST=reverb.muronegro.cloud VITE_REVERB_PORT=443 VITE_REVERB_SCHEME=https npm run build"
 ]
 
 [start]