diff --git a/frontend/components/layout/AppLayout.tsx b/frontend/components/layout/AppLayout.tsx
index 98814cf2..87978927 100644
--- a/frontend/components/layout/AppLayout.tsx
+++ b/frontend/components/layout/AppLayout.tsx
@@ -1024,7 +1024,7 @@ function AppLayoutInner({ children }: AppLayoutProps) {
             {/* Tweaks — 색상/테마 빠른 접근 (SettingsModal 오픈) */}
             <button
               className={`v5-hdr-icon${settingsOpen ? " on" : ""}`}
-              onClick={() => setSettingsOpen(true)}
+              onClick={() => setSettingsOpen((v) => !v)}
               title="Tweaks — 테마 / 색상"
               aria-label="설정"
             >