diff --git a/dist/smartipc.classes.threadsimple.d.ts b/dist/smartipc.classes.threadsimple.d.ts
index 24effc0..2fd98e7 100644
--- a/dist/smartipc.classes.threadsimple.d.ts
+++ b/dist/smartipc.classes.threadsimple.d.ts
@@ -3,5 +3,5 @@ export declare class ThreadSimple {
     workerPath: string;
     threadChildProcess: childProcess.ChildProcess;
     constructor(filePathArg: string);
-    run(): Promise<{}>;
+    run(): Promise<childProcess.ChildProcess>;
 }
diff --git a/dist/smartipc.classes.threadsimple.js b/dist/smartipc.classes.threadsimple.js
index 2f2ac94..41808f7 100644
--- a/dist/smartipc.classes.threadsimple.js
+++ b/dist/smartipc.classes.threadsimple.js
@@ -24,4 +24,4 @@ class ThreadSimple {
     }
 }
 exports.ThreadSimple = ThreadSimple;
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\ No newline at end of file
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\ No newline at end of file
diff --git a/ts/smartipc.classes.threadsimple.ts b/ts/smartipc.classes.threadsimple.ts
index a5fb5f2..ffdd886 100644
--- a/ts/smartipc.classes.threadsimple.ts
+++ b/ts/smartipc.classes.threadsimple.ts
@@ -12,7 +12,7 @@ export class ThreadSimple {
   }
 
   run () {
-    let done = smartq.defer()
+    let done = smartq.defer<childProcess.ChildProcess>()
     let forkPath = (() => {
       if (workerBasePath) {
         return plugins.path.join(workerBasePath, this.workerPath)