diff --git a/packages/interactivity-router/src/index.ts b/packages/interactivity-router/src/index.ts
index 79b67eeb98e656..32a823233bd25d 100644
--- a/packages/interactivity-router/src/index.ts
+++ b/packages/interactivity-router/src/index.ts
@@ -104,6 +104,7 @@ const regionsToVdom: RegionsToVdom = async ( dom, { vdom } = {} ) => {
 	}
 	const title = dom.querySelector( 'title' )?.innerText;
 	const initialData = parseInitialData( dom );
+	populateInitialData( initialData );
 	return { regions, head, title, initialData };
 };