diff --git a/lib/winston/common.js b/lib/winston/common.js
index 9296c5d04..d2e914523 100644
--- a/lib/winston/common.js
+++ b/lib/winston/common.js
@@ -159,9 +159,13 @@ exports.log = function (options) {
   output += (': ' + options.message);
 
   if (meta) {
+    var stack;
     if (typeof meta !== 'object') {
       output += ' ' + meta;
     }
+    else if (meta && (meta instanceof Error) && (stack = meta.stack) ){
+      meta = stack;
+    }
     else if (Object.keys(meta).length > 0) {
       output += ' ' + (options.prettyPrint ? ('\n' + util.inspect(meta, false, null, options.colorize)) : exports.serialize(meta));
     }