diff --git a/lib/winston/common.js b/lib/winston/common.js
index d1af9491f..97f234426 100644
--- a/lib/winston/common.js
+++ b/lib/winston/common.js
@@ -219,6 +219,11 @@ exports.log = function (options) {
   //
   if (typeof options.formatter == 'function') {
     options.meta = meta || options.meta;
+    if (options.meta instanceof Error) {
+      // Force converting the Error to an plain object now so it
+      // will not be messed up by decycle() when cloning options
+      options.meta = exports.clone(options.meta);
+    }
     return String(options.formatter(exports.clone(options)));
   }