diff --git a/lib/winston-mongodb.js b/lib/winston-mongodb.js
index 7f27119..1d526d0 100644
--- a/lib/winston-mongodb.js
+++ b/lib/winston-mongodb.js
@@ -180,7 +180,7 @@ MongoDB.prototype.log = function (level, msg, meta, callback) {
         entry.level = level;
         entry.meta = helpers.prepareMetaData(meta);
         if (self.storeHost) {
-          entry.hostname = this.hostname;
+          entry.hostname = self.hostname;
         }
 
         col.save(entry, { safe: self.safe }, function (err) {
diff --git a/package.json b/package.json
index c9b3b57..35efb0e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "winston-mongodb",
-  "version": "0.5.0",
+  "version": "0.5.1",
   "description": "A MongoDB transport for winston",
   "author": "Charlie Robbins <charlie.robbins@gmail.com>",
   "contributors": [