diff --git a/lib/mongodb/commands/update_command.js b/lib/mongodb/commands/update_command.js
index 090200b1885..daa3cba48c0 100644
--- a/lib/mongodb/commands/update_command.js
+++ b/lib/mongodb/commands/update_command.js
@@ -32,7 +32,7 @@ var UpdateCommand = exports.UpdateCommand = function(db, collectionName, spec, d
   this.document = document;
   this.db = db;
   this.serializeFunctions = false;
-  this.checkKeys = typeof options.checkKeys != 'boolean' ? true : options.checkKeys;
+  this.checkKeys = typeof options.checkKeys != 'boolean' ? false : options.checkKeys;
 
   // Generate correct flags
   var db_upsert = 0;
diff --git a/package.json b/package.json
index a1726b74777..6afcd44b16e 100755
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 { "name" :            "mongodb"
 , "description" :     "A node.js driver for MongoDB"
 , "keywords" :        ["mongodb", "mongo", "driver", "db"]
-, "version" :         "1.3.13"
+, "version" :         "1.3.14"
 , "author" :          "Christian Amor Kvalheim <christkv@gmail.com>"
 , "contributors" :  [ "Aaron Heckmann",
                       "Christoph Pojer",
diff --git a/test/tests/functional/insert_tests.js b/test/tests/functional/insert_tests.js
index f080b15d283..9a8204b54b5 100644
--- a/test/tests/functional/insert_tests.js
+++ b/test/tests/functional/insert_tests.js
@@ -1695,7 +1695,7 @@ exports.shouldCorrectlyOverrideCheckKeysNativeOnUpdate = function(configuration,
   db.open(function(err, db) {
     db.collection('shouldCorrectlyOverrideCheckKeysNativeOnUpdate').update({
         ps: {op: {'$set': 1}}
-      }, {'$set': {b: 1}}, function(err, doc) {
+      }, {'$set': {b: 1}}, {checkKeys:true}, function(err, doc) {
         test.ok(err != null);
 
         db.collection('shouldCorrectlyOverrideCheckKeysNativeOnUpdate').update({
@@ -1716,7 +1716,7 @@ exports.shouldCorrectlyOverrideCheckKeysJSOnUpdate = function(configuration, tes
   db.open(function(err, db) {
     db.collection('shouldCorrectlyOverrideCheckKeysJSOnUpdate').update({
         ps: {op: {'$set': 1}}
-      }, {'$set': {b: 1}}, function(err, doc) {
+      }, {'$set': {b: 1}}, {checkKeys:true}, function(err, doc) {
         test.ok(err != null);
 
         db.collection('shouldCorrectlyOverrideCheckKeysJSOnUpdate').update({
@@ -1729,3 +1729,18 @@ exports.shouldCorrectlyOverrideCheckKeysJSOnUpdate = function(configuration, tes
       });
   });
 }
+
+exports.shouldCorrectlyWorkWithCheckKeys = function(configuration, test) {
+  var Long = configuration.getMongoPackage().Long;
+
+  var db = configuration.newDbInstance({w:1}, {native_parser:false})
+  db.open(function(err, db) {
+    db.collection('shouldCorrectlyOverrideCheckKeysJSOnUpdate').update({
+        "ps.op.t":1
+      }, {'$set': {b: 1}}, function(err, doc) {
+        test.equal(null, err);
+        db.close();
+        test.done();
+      });
+  });
+}