diff --git a/packages/frontend/core/src/modules/app-sidebar/views/index.css.ts b/packages/frontend/core/src/modules/app-sidebar/views/index.css.ts
index 3f0ceec28..6c00178f8 100644
--- a/packages/frontend/core/src/modules/app-sidebar/views/index.css.ts
+++ b/packages/frontend/core/src/modules/app-sidebar/views/index.css.ts
@@ -13,7 +13,7 @@ export const navWrapperStyle = style({
     '&[data-has-border=true]': {
       borderRight: `0.5px solid ${cssVarV2('layer/insideBorder/border')}`,
     },
-    '&[data-is-floating="true"]': {
+    '&[data-is-floating="true"], &[data-is-electron="false"]': {
       backgroundColor: cssVarV2('layer/background/primary'),
     },
   },