diff --git a/packages/nuxt/src/components/runtime/client-delayed-component.ts b/packages/nuxt/src/components/runtime/client-delayed-component.ts
index 1acf7daac3..0009962480 100644
--- a/packages/nuxt/src/components/runtime/client-delayed-component.ts
+++ b/packages/nuxt/src/components/runtime/client-delayed-component.ts
@@ -14,7 +14,7 @@ export const createLazyIOClientPage = (componentLoader: Component) => {
       const instance = getCurrentInstance()!
       let vnode: VNode | null = null
       if (import.meta.client && nuxt.isHydrating) {
-        vnode = createStaticVNode(getFragmentHTML(instance.vnode.el), 1)
+        vnode = createStaticVNode(getFragmentHTML(instance.vnode.el).join(''), 1)
       }
       const isIntersecting = ref(false)
       const el: Ref<Element | null> = ref(null)
@@ -47,7 +47,7 @@ export const createLazyNetworkClientPage = (componentLoader: Component) => {
       const instance = getCurrentInstance()!
       let vnode: VNode | null = null
       if (import.meta.client && nuxt.isHydrating) {
-        vnode = createStaticVNode(getFragmentHTML(instance.vnode.el), 1)
+        vnode = createStaticVNode(getFragmentHTML(instance.vnode.el).join(''), 1)
       }
       const isIdle = ref(false)
       let idleHandle: number | null = null