diff --git a/apps/web/src/pages/generate/hooks/useStep6Cover.ts b/apps/web/src/pages/generate/hooks/useStep6Cover.ts
index 60dd281bb..765632cf4 100644
--- a/apps/web/src/pages/generate/hooks/useStep6Cover.ts
+++ b/apps/web/src/pages/generate/hooks/useStep6Cover.ts
@@ -88,7 +88,7 @@ export function useStep6Cover({
         asset_ids: assetIds,
         cover_type: "ai_frame",
       })
-      const thumbnailUrl = response.cover?.thumbnail_url || ""
+      const thumbnailUrl = response.cover?.image_url || ""
       if (thumbnailUrl) {
         onCoverSettingsChange({
           ...coverSettings,