diff --git a/lib/winston-loggly.js b/lib/winston-loggly.js
index bfeb73a..1f71060 100644
--- a/lib/winston-loggly.js
+++ b/lib/winston-loggly.js
@@ -9,6 +9,7 @@
 var events = require('events'),
     loggly = require('loggly'),
     util = require('util'),
+    cycle = require('cycle'),
     winston = require('winston'),
     Stream = require('stream').Stream;
 
@@ -95,6 +96,8 @@ Loggly.prototype.log = function (level, msg, meta, callback) {
     meta.timestamp = (new Date()).toISOString();
   }
 
+  meta = meta !== null && meta !== undefined && !(meta instanceof Error) ? cycle.decycle(meta) : meta || null;
+
   if (this.stripColors) {
     msg = ('' + msg).replace(code, '');
   }
diff --git a/package.json b/package.json
index 797c7e3..c264500 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,8 @@
   },
   "keywords": ["logging", "sysadmin", "tools"],
   "dependencies": {
-    "loggly": "~1.1.0"
+    "loggly": "~1.1.0",
+    "cycle": "1.0.x"
   },
   "devDependencies": {
     "winston": "1.0.x",