diff --git a/lib/main.js b/lib/main.js
index 748dbfcb..a139b1dc 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -3,6 +3,7 @@
 var path = require('path')
 var aws = require('aws-sdk')
 var exec = require('child_process').exec
+var execSync = require('child_process').execSync
 var execFile = require('child_process').execFile
 var fs = require('fs-extra')
 var packageJson = require(path.join(__dirname, '..', 'package.json'))
@@ -112,6 +113,7 @@ so you can easily test run multiple events.
     if (index >= 0) return index
     return _argv.indexOf('--eventFile')
   })()
+  _argv[0] = 'node' // For Windows support
 
   // In order to reproduce the logic of callbackWaitsForEmptyEventLoop,
   // we are going to execute `node-lambda run`.
@@ -126,16 +128,13 @@ so you can easily test run multiple events.
     }
 
     fs.writeFileSync(tmpEventFile, JSON.stringify(event))
-    exec(command(), {
+    const stdout = execSync(command(), {
       maxBuffer: maxBufferSize,
       env: process.env
-    }, (err, stdout, stderr) => {
-      console.log('>>> Event:', event, '<<<')
-      if (err) console.error(err)
-      console.log(stdout)
-      console.log(stderr)
-      fs.unlinkSync(tmpEventFile)
     })
+    console.log('>>> Event:', event, '<<<')
+    console.log(stdout.toString())
+    fs.unlinkSync(tmpEventFile)
   })
 }
 
diff --git a/test/node-lambda.js b/test/node-lambda.js
index 2b90d9fb..bd99c70b 100644
--- a/test/node-lambda.js
+++ b/test/node-lambda.js
@@ -188,10 +188,11 @@ describe('bin/node-lambda', () => {
         no: 3
       }]
 
-      it('`node-lambda run` exitCode is `0`', (done) => {
+      it('`node-lambda run` exitCode is `0`', function (done) {
+        this.timeout(10000) // give it time to multiple executions
         _generateEventFile(eventObj)
         _testMain({
-          stdoutRegExp: / no: [123] .+ no: [123] .+ no: [123] .+Success:/,
+          stdoutRegExp: / no: 1 .+ no: 2 .+ no: 3 .+Success:/,
           exitCode: 0
         }, done)
       })