diff --git a/frontend/src/components/MenuBar.vue b/frontend/src/components/MenuBar.vue
index 5ab6f1d..bcce07f 100644
--- a/frontend/src/components/MenuBar.vue
+++ b/frontend/src/components/MenuBar.vue
@@ -109,8 +109,9 @@ async function handleLogin() {
       detail: t('toast.loginSuccessDetail'),
       life: 3000
     });
-  } catch (error: any) {
-    if (error?.message && error.message.includes('Login restricted')) {
+  } catch (error: unknown) {
+    const err = error as { message?: string };
+    if (err?.message && err.message.includes('Login restricted')) {
       toast.add({
         severity: 'error',
         summary: t('toast.loginError'),
@@ -121,7 +122,7 @@ async function handleLogin() {
       toast.add({
         severity: 'error',
         summary: t('toast.loginError'),
-        detail: error?.message || t('toast.loginErrorDetail'),
+        detail: err?.message || t('toast.loginErrorDetail'),
         life: 5000
       });
     }