diff --git a/packages/astro/src/vite-plugins/override-components.ts b/packages/astro/src/vite-plugins/override-components.ts
index 62ae788a4..a389acb6d 100644
--- a/packages/astro/src/vite-plugins/override-components.ts
+++ b/packages/astro/src/vite-plugins/override-components.ts
@@ -71,7 +71,7 @@ export interface OverrideComponentsOptions {
    * <slot name="meta" />
    * ```
    */
-  HeadTags: string;
+  HeadTags?: string;
 }
 
 interface Options {