diff --git a/frontend-modern/src/components/Settings/ChangePasswordModal.tsx b/frontend-modern/src/components/Settings/ChangePasswordModal.tsx
index e0cb40baf..e4a4d6358 100644
--- a/frontend-modern/src/components/Settings/ChangePasswordModal.tsx
+++ b/frontend-modern/src/components/Settings/ChangePasswordModal.tsx
@@ -40,6 +40,9 @@ export const ChangePasswordModal: Component<ChangePasswordModalProps> = (props)
     setLoading(true);
 
     try {
+      // Get the actual username from sessionStorage or use 'admin' as fallback
+      const authUser = sessionStorage.getItem('pulse_auth_user') || 'admin';
+
       const response = await apiFetch('/api/security/change-password', {
         method: 'POST',
         headers: {