diff --git a/packages/frontend/core/src/modules/peek-view/view/doc-preview/doc-peek-view.css.ts b/packages/frontend/core/src/modules/peek-view/view/doc-preview/doc-peek-view.css.ts
index 2c93448bb..566d4411e 100644
--- a/packages/frontend/core/src/modules/peek-view/view/doc-preview/doc-peek-view.css.ts
+++ b/packages/frontend/core/src/modules/peek-view/view/doc-preview/doc-peek-view.css.ts
@@ -25,5 +25,5 @@ export const affineDocViewport = style({
   userSelect: 'none',
   containerName: 'viewport',
   containerType: 'inline-size',
-  background: cssVarV2('layer/background/mobile/secondary'),
+  background: cssVarV2('layer/background/primary'),
 });