diff --git a/lib/plugins/aws/invokeLocal/index.js b/lib/plugins/aws/invokeLocal/index.js
index f73c5cb10fe..cf6e362b268 100644
--- a/lib/plugins/aws/invokeLocal/index.js
+++ b/lib/plugins/aws/invokeLocal/index.js
@@ -168,7 +168,7 @@ class AwsInvokeLocal {
 
     return new BbPromise(resolve => {
       const python = spawn(runtime,
-        [path.join(__dirname, 'invoke.py'), handlerPath, handlerName], { env: process.env });
+        ['-u', path.join(__dirname, 'invoke.py'), handlerPath, handlerName], { env: process.env });
       python.stdout.on('data', (buf) => this.serverless.cli.consoleLog(buf.toString()));
       python.stderr.on('data', (buf) => this.serverless.cli.consoleLog(buf.toString()));
       python.stdin.write(input);