diff --git a/packages/app/src/pages/session.tsx b/packages/app/src/pages/session.tsx
index 6751f4186..845ef5a49 100644
--- a/packages/app/src/pages/session.tsx
+++ b/packages/app/src/pages/session.tsx
@@ -107,7 +107,7 @@ export default function Page() {
     if (desktopReviewOpen()) return `${layout.session.width()}px`
     return `calc(100% - ${layout.fileTree.width()}px)`
   })
-  const centered = createMemo(() => isDesktop() && !desktopSidePanelOpen())
+  const centered = createMemo(() => isDesktop() && !desktopReviewOpen())
 
   function normalizeTab(tab: string) {
     if (!tab.startsWith("file://")) return tab