diff --git a/scripts/preflight.mjs b/scripts/preflight.mjs
index 2fb9e36..21fbd83 100644
--- a/scripts/preflight.mjs
+++ b/scripts/preflight.mjs
@@ -20,7 +20,12 @@ try {
 }
 
 const portsArg = process.argv.find((arg) => arg.startsWith("--ports="))?.split("=", 2)[1];
-const ports = portsArg ? portsArg.split(",").map(Number).filter(Boolean) : [];
+const configuredPorts = portsArg ? portsArg.split(",").map(Number).filter(Boolean) : [];
+const ports = configuredPorts.map((port, index) => {
+  if (index === 0 && process.env.PORT) return Number(process.env.PORT) || port;
+  if (index === 1 && process.env.VITE_PORT) return Number(process.env.VITE_PORT) || port;
+  return port;
+});
 
 function isPortBusy(port) {
   return new Promise((resolve) => {