diff --git a/codebase/@features/vip/frontend-client/src/components/dev/usePanelState.ts b/codebase/@features/vip/frontend-client/src/components/dev/usePanelState.ts
index db87061d..37c3542f 100644
--- a/codebase/@features/vip/frontend-client/src/components/dev/usePanelState.ts
+++ b/codebase/@features/vip/frontend-client/src/components/dev/usePanelState.ts
@@ -88,12 +88,12 @@ function parseSlotParam(raw: string | null): readonly VipQuoteAnimationId[] {
 function readUrlOverridesForSlots(): Partial<DevPresentationOverride> {
   if (typeof window === 'undefined') return {};
   const search = new URLSearchParams(window.location.search);
-  const out: Partial<DevPresentationOverride> = {};
   const loadingFromUrl = search.get(SLOT_URL_PARAM.loadingAnimation);
   const unlockFromUrl  = search.get(SLOT_URL_PARAM.unlockAnimation);
-  if (loadingFromUrl !== null) out.loadingAnimation = parseSlotParam(loadingFromUrl);
-  if (unlockFromUrl  !== null) out.unlockAnimation  = parseSlotParam(unlockFromUrl);
-  return out;
+  return {
+    ...(loadingFromUrl !== null ? { loadingAnimation: parseSlotParam(loadingFromUrl) } : {}),
+    ...(unlockFromUrl  !== null ? { unlockAnimation:  parseSlotParam(unlockFromUrl)  } : {}),
+  };
 }
 
 function syncSlotUrl(next: DevPresentationOverride): void {