diff --git a/packages/roomkit-react/src/Prebuilt/layouts/SidePane.tsx b/packages/roomkit-react/src/Prebuilt/layouts/SidePane.tsx
index 0a65072fcb..ebeee18e7c 100644
--- a/packages/roomkit-react/src/Prebuilt/layouts/SidePane.tsx
+++ b/packages/roomkit-react/src/Prebuilt/layouts/SidePane.tsx
@@ -64,6 +64,7 @@ const SidePane = ({
         <VideoTile
           peerId={activeScreensharePeerId}
           trackId={trackId}
+          width="100%"
           height={225}
           rootCSS={{ p: 0, alignSelf: 'start', flexShrink: 0 }}
           {...tileLayout}