diff --git a/packages/better-auth/src/telemetry/detectors/detect-project-info.ts b/packages/better-auth/src/telemetry/detectors/detect-project-info.ts
index ebdbc6976b..fe0a3a8f05 100644
--- a/packages/better-auth/src/telemetry/detectors/detect-project-info.ts
+++ b/packages/better-auth/src/telemetry/detectors/detect-project-info.ts
@@ -1,7 +1,8 @@
 // https://github.com/zkochan/packages/blob/main/which-pm-runs/index.js
-export function detectPackageManager() {
-	const userAgent = process.env.npm_config_user_agent;
+import { env } from "../../utils/env";
 
+export function detectPackageManager() {
+	const userAgent = env.npm_config_user_agent;
 	if (!userAgent) {
 		return undefined;
 	}
diff --git a/packages/better-auth/src/telemetry/detectors/detect-system-info.ts b/packages/better-auth/src/telemetry/detectors/detect-system-info.ts
index d6a4430d9d..6b9255b521 100644
--- a/packages/better-auth/src/telemetry/detectors/detect-system-info.ts
+++ b/packages/better-auth/src/telemetry/detectors/detect-system-info.ts
@@ -91,7 +91,10 @@ export async function detectSystemInfo() {
 			memory: os.totalmem(),
 			isWSL: await isWsl(),
 			isDocker: await isDocker(),
-			isTTY: process.stdout.isTTY,
+			isTTY:
+				typeof process !== "undefined" && (process as any).stdout
+					? (process as any).stdout.isTTY
+					: null,
 		};
 	} catch (e) {
 		return {
@@ -150,7 +153,7 @@ async function isDocker() {
 async function isWsl() {
 	try {
 		if (getVendor() === "cloudflare") return false;
-		if (process.platform !== "linux") {
+		if (typeof process === "undefined" || process.platform !== "linux") {
 			return false;
 		}
 		const importRuntime = (m: string) =>