diff --git a/src/s3_lambda_es.js b/src/s3_lambda_es.js index 4e14b05..b441577 100644 --- a/src/s3_lambda_es.js +++ b/src/s3_lambda_es.js @@ -82,6 +82,7 @@ function postDocumentToES(doc, context) { req.body = doc; req.headers['presigned-expires'] = false; req.headers['Host'] = endpoint.host; + req.headers['Content-Type'] = 'application/json'; // Sign the request (Sigv4) var signer = new AWS.Signers.V4(req, 'es');