diff --git a/src/lib/cleanup.js b/src/lib/cleanup.js
index 0d50e886..bbbef835 100644
--- a/src/lib/cleanup.js
+++ b/src/lib/cleanup.js
@@ -33,7 +33,7 @@ class Cleanup {
     */
     // if (this.resources.length < 1) {
     const dummyProc = execa('node')
-    this.add(async () => (await dummyProc).kill(), 'stopping sigint waiter...')
+    this.add(async () => await dummyProc.kill(), 'stopping sigint waiter...')
     // }
     // bind cleanup function
     process.on('SIGINT', async () => {
diff --git a/test/commands/lib/cleanup.test.js b/test/commands/lib/cleanup.test.js
index 69ac791e..fe58e873 100644
--- a/test/commands/lib/cleanup.test.js
+++ b/test/commands/lib/cleanup.test.js
@@ -21,6 +21,7 @@ process.exit = jest.fn()
 process.on = jest.fn()
 
 let theCleanup
+const mockKill = jest.fn()
 
 beforeEach(() => {
   theCleanup = new Cleanup()
@@ -28,6 +29,13 @@ beforeEach(() => {
   process.exit.mockReset()
   process.on.mockReset()
   execa.mockReset()
+  mockKill.mockReset()
+
+  execa.mockImplementation(() => {
+    const p = new Promise(resolve => resolve(0))
+    p.kill = mockKill // execa puts properties on the returned Promise
+    return p
+  })
 })
 
 test('exports', () => {
@@ -65,13 +73,6 @@ test('wait (cleanup no errors)', async () => {
   const fn1 = jest.fn()
   const fn2 = jest.fn()
 
-  const mockKill = jest.fn()
-  execa.mockImplementation(async () => {
-    return {
-      kill: mockKill
-    }
-  })
-
   process.exit.mockImplementation((code) => {
     expect(code).toEqual(0) // ok
   })
@@ -99,13 +100,6 @@ test('wait (cleanup has error)', async () => {
     throw new Error('error')
   })
 
-  const mockKill = jest.fn()
-  execa.mockImplementation(async () => {
-    return {
-      kill: mockKill
-    }
-  })
-
   process.exit.mockImplementation((code) => {
     expect(code).toEqual(1) // error
   })