diff --git a/types/prettier/index.d.ts b/types/prettier/index.d.ts
index dbc358bfc9..7789c957a6 100644
--- a/types/prettier/index.d.ts
+++ b/types/prettier/index.d.ts
@@ -107,6 +107,7 @@ export interface RequiredOptions extends doc.printer.Options {
 export interface ParserOptions extends RequiredOptions {
     locStart: (node: any) => number;
     locEnd: (node: any) => number;
+    originalText: string;
 }
 
 export interface Plugin {