diff --git a/mobile/src/changelog.ts b/mobile/src/changelog.ts
index 3278fec..978cde7 100644
--- a/mobile/src/changelog.ts
+++ b/mobile/src/changelog.ts
@@ -29,6 +29,13 @@ export type ChangelogEntry = {
 };
 
 export const CHANGELOG: ChangelogEntry[] = [
+  {
+    id: '2026-09-08a',
+    date: 'September 2026',
+    items: [
+      'Fixed a crash when opening a studio\'s movie list right after browsing that studio\'s Movies tab. The two screens were sharing a cache entry with different shapes.',
+    ],
+  },
   {
     id: '2026-09-07h',
     date: 'September 2026',
diff --git a/mobile/src/screens/StudioMoviesScreen.tsx b/mobile/src/screens/StudioMoviesScreen.tsx
index 83890b7..68bb6a2 100644
--- a/mobile/src/screens/StudioMoviesScreen.tsx
+++ b/mobile/src/screens/StudioMoviesScreen.tsx
@@ -68,7 +68,11 @@ export function StudioMoviesScreen() {
     hasNextPage,
     isFetchingNextPage,
   } = useInfiniteQuery({
-    queryKey: ['studio-movies', slug],
+    // NIE ['studio-movies', slug]: ten klucz ma zwykle useQuery w StudioScenesScreen
+    // (zakladka Movies) i trzyma tam {items,...} bez `pages`. Po przejsciu StudioScenes ->
+    // MovieDetail -> studio ta infinite query dostawala z cache cudzy ksztalt i react-query
+    // wywalal sie na `pages.length` (Sentry 140915208, 6 osob, od 2026-08-16).
+    queryKey: ['studio-movies-pages', slug],
     queryFn: ({ pageParam = 1 }) =>
       client.listMovies({
         studio_slugs: [slug],