diff --git a/src/utils/env.ts b/src/utils/env.ts
index 132b90c..d853093 100644
--- a/src/utils/env.ts
+++ b/src/utils/env.ts
@@ -21,7 +21,11 @@ export const getEnv = (key: string, defaultValue = ""): string => {
 };
 
 export const VITE_PUBLIC_URL = (() => {
-	const envUrl = getEnv("VITE_PUBLIC_URL");
+	// Priority: 
+	// 1. BETTER_AUTH_URL (standard for better-auth)
+	// 2. VITE_PUBLIC_URL (our app standard)
+	// 3. window.location.origin (browser fallback)
+	const envUrl = getEnv("BETTER_AUTH_URL") || getEnv("VITE_PUBLIC_URL");
 	if (envUrl) return envUrl;
 
 	// Fallback for browser