diff --git a/index.ts b/index.ts
index 11ed3c6..405fb95 100644
--- a/index.ts
+++ b/index.ts
@@ -183,6 +183,12 @@ const server = new Server(
 									if (userWindow.contactFormSelectedField === "message") {
 										userWindow.contactFormData.message += newLine;
 									} else if (userWindow.contactFormSelectedField === "submit") {
+										if (!process.env.DISCORD_WEBHOOK_URL || !process.env.DISCORD_USER_ID) {
+											console.error("Discord webhook URL or user ID not set");
+											stream.write("Error sending message to Discord webhook\n");
+											stream.close();
+											return;
+										}
 										const webhookUrl = process.env.DISCORD_WEBHOOK_URL!;
 										const messageData = {
 											content: `<@${process.env.DISCORD_USER_ID}>\nName: ${
@@ -277,6 +283,6 @@ const server = new Server(
 	}
 );
 
-server.listen(+process.env.PORT!, "0.0.0.0", () => {
-	console.log(`🚀 SSH server running on port ${process.env.PORT!}`);
+server.listen(+(process.env.PORT || 2222), "0.0.0.0", () => {
+	console.log(`🚀 SSH server running on port ${process.env.PORT || 2222}`);
 });