diff --git a/node/node.d.ts b/node/node.d.ts
index 731b136585..c7df8463b3 100644
--- a/node/node.d.ts
+++ b/node/node.d.ts
@@ -749,7 +749,7 @@ declare module "cluster" {
         id: string;
         process: child.ChildProcess;
         suicide: boolean;
-        send(message: any, sendHandle?: any): void;
+        send(message: any, sendHandle?: any): boolean;
         kill(signal?: string): void;
         destroy(signal?: string): void;
         disconnect(): void;
@@ -1071,7 +1071,7 @@ declare module "child_process" {
         stdio: [stream.Writable, stream.Readable, stream.Readable];
         pid: number;
         kill(signal?: string): void;
-        send(message: any, sendHandle?: any): void;
+        send(message: any, sendHandle?: any): boolean;
         connected: boolean;
         disconnect(): void;
         unref(): void;
@@ -2628,4 +2628,4 @@ declare module "constants" {
 
 declare module "process" {
     export = process;
-}
\ No newline at end of file
+}