diff --git a/types/vue-meta.d.ts b/types/vue-meta.d.ts
index 0e48efe..8efb605 100644
--- a/types/vue-meta.d.ts
+++ b/types/vue-meta.d.ts
@@ -172,7 +172,7 @@ export interface NoScriptProperty extends MetaDataProperty {
 
 export interface MetaInfo {
   title?: string
-  titleTemplate?: string | ((titleChunk: string) => string),
+  titleTemplate?: string | ((titleChunk: string) => string) | null,
 
   htmlAttrs?: AttributeProperty
   headAttrs?: AttributeProperty