diff --git a/src/runtime/internal/Component.ts b/src/runtime/internal/Component.ts
index 763974adfb4e..f020b78e8a85 100644
--- a/src/runtime/internal/Component.ts
+++ b/src/runtime/internal/Component.ts
@@ -224,7 +224,7 @@ if (typeof HTMLElement === 'function') {
 }
 
 export class SvelteComponent {
-	$$: T$$;
+	$$: T$$ = {} as T$$;
 	$$set?: ($$props: any) => void;
 
 	$destroy() {