diff --git a/src/lib/auth.ts b/src/lib/auth.ts
index 70464ed..a650a7e 100644
--- a/src/lib/auth.ts
+++ b/src/lib/auth.ts
@@ -21,6 +21,8 @@ export const auth = betterAuth({
     process.env.BETTER_AUTH_URL || "http://localhost:3000",
     "http://127.0.0.1:3000",
     "http://0.0.0.0:3000",
+    // Parse comma-separated TRUSTED_ORIGINS environment variable
+    ...(process.env.TRUSTED_ORIGINS ? process.env.TRUSTED_ORIGINS.split(',').map(origin => origin.trim()) : []),
   ],
   session: {
     cookieCache: {