diff --git a/node/node.d.ts b/node/node.d.ts
index 9448b413b1..1cab19a6d2 100644
--- a/node/node.d.ts
+++ b/node/node.d.ts
@@ -334,6 +334,7 @@ declare module NodeJS {
         undefined: typeof undefined;
         unescape: (str: string) => string;
         gc: () => void;
+        v8debug?: any;
     }
 
     export interface Timer {