diff --git a/packages/core/src/generators/web/ui/index.css b/packages/core/src/generators/web/ui/index.css
index dc98fd83..9b21667c 100644
--- a/packages/core/src/generators/web/ui/index.css
+++ b/packages/core/src/generators/web/ui/index.css
@@ -16,7 +16,7 @@ island-slot {
 }
 
 /* TODO(@avivkeller): make this component's CSS more agnostic */
-is-land[data-component='SideBar'] {
+is-land[data-island-name='SideBar'] {
   display: flex;
   flex-direction: column;