diff --git a/index.js b/index.js
index 688e02ca7cd240ac9e7d0e9a671aab2538aff4d1..a74a12a020b88f70e7e82ef1b51aae7eb551e759 100644
--- a/index.js
+++ b/index.js
@@ -122,7 +122,7 @@ function Log (options) {
       let data = JSON.stringify({
         short_message: msg,
         timestamp: Date.now() / 1000,
-        hostname: this.hostname,
+        host: this.hostname,
         facility: this.name,
         level: tag
         })