diff --git a/src/directives/if.ts b/src/directives/if.ts
index b578b39..eba8427 100644
--- a/src/directives/if.ts
+++ b/src/directives/if.ts
@@ -13,7 +13,7 @@ export const _if = (el: Element, exp: string, ctx: Context) => {
     console.warn(`v-if expression cannot be empty.`)
   }
 
-  const parent = el.parentElement!
+  const parent = el.parentElement ? el.parentElement : el.parentNode
   const anchor = new Comment('v-if')
   parent.insertBefore(anchor, el)