diff --git a/adminfront/src/features/auth/LoginPage.tsx b/adminfront/src/features/auth/LoginPage.tsx
index 233da28c..3e553d80 100644
--- a/adminfront/src/features/auth/LoginPage.tsx
+++ b/adminfront/src/features/auth/LoginPage.tsx
@@ -30,8 +30,8 @@ function LoginPage() {
   }, [navigate]);
 
   const handleSSOLogin = () => {
-    const userfrontUrl = import.meta.env.VITE_USERFRONT_URL || "https://sso.hmac.kr";
-    const loginUrl = `${userfrontUrl}/login?source=adminfront`;
+    const userfrontUrl = import.meta.env.USERFRONT_URL || "https://sso.hmac.kr";
+    const loginUrl = `${userfrontUrl}/ssologin?source=adminfront`;
     
     const width = 500;
     const height = 700;
diff --git a/adminfront/vite.config.ts b/adminfront/vite.config.ts
index 01b4be3a..30365be1 100644
--- a/adminfront/vite.config.ts
+++ b/adminfront/vite.config.ts
@@ -4,6 +4,7 @@ import { defineConfig } from "vite";
 // https://vite.dev/config/
 export default defineConfig({
   plugins: [react()],
+  envPrefix: ["VITE_", "USERFRONT_"],
   server: {
     host: "0.0.0.0",
     proxy: {