diff --git a/index.ts b/index.ts
index 9569354..5d5ee5e 100644
--- a/index.ts
+++ b/index.ts
@@ -448,11 +448,11 @@ export class PythonShell extends EventEmitter {
 
   /**
    * Sends a kill signal to the process
-   * @returns {PythonShell} The same instance for chaining calls
+   * @returns {boolean} Whether the kill signal was sent successfully
    */
   kill(signal?: NodeJS.Signals) {
     this.terminated = this.childProcess.kill(signal);
-    return this;
+    return this.terminated;
   }
 
   /**
diff --git a/test/test-python-shell.ts b/test/test-python-shell.ts
index 3d5de81..d44442e 100644
--- a/test/test-python-shell.ts
+++ b/test/test-python-shell.ts
@@ -617,9 +617,9 @@ describe('PythonShell', function () {
   });
 
   describe('.kill()', function () {
-    it('set terminated to correct value', function (done) {
+    it('return kill result and set terminated to correct value', function (done) {
       let pyshell = new PythonShell('infinite_loop.py');
-      pyshell.kill();
+      should(pyshell.kill()).be.true();
       pyshell.terminated.should.be.true;
       done();
     });