diff --git a/frontend/src/pages/LoginScreen.jsx b/frontend/src/pages/LoginScreen.jsx
index 7035c41..2e3779a 100644
--- a/frontend/src/pages/LoginScreen.jsx
+++ b/frontend/src/pages/LoginScreen.jsx
@@ -32,7 +32,7 @@ export default function LoginScreen() {
     }
     setLoading(true); setError(null)
     try {
-      await login({ email: email.trim().toLowerCase(), pin: password })
+      await login({ email: email.trim().toLowerCase(), password: password })
     } catch(e) {
       setError(e.message || 'Ungültige E-Mail oder Passwort')
     } finally { setLoading(false) }