diff --git a/lib/transport/binary/protocol28/serializer.js b/lib/transport/binary/protocol28/serializer.js
index b2e6933..5d9b993 100644
--- a/lib/transport/binary/protocol28/serializer.js
+++ b/lib/transport/binary/protocol28/serializer.js
@@ -69,7 +69,7 @@ function serializeDocument (document, isMap) {
 function serializeValue (value) {
   var type = typeof value;
   if (type === 'string') {
-    return '"' + value.replace(/\\/, "\\\\").replace(/"/g, '\\"') + '"';
+    return '"' + value.replace(/\\/g, "\\\\").replace(/"/g, '\\"') + '"';
   }
   else if (type === 'number') {
     return ~value.toString().indexOf('.') ? value + 'f' : value;
diff --git a/test/bugs/328-wrong-backslash-quoting.js b/test/bugs/328-wrong-backslash-quoting.js
new file mode 100644
index 0000000..3cca293
--- /dev/null
+++ b/test/bugs/328-wrong-backslash-quoting.js
@@ -0,0 +1,27 @@
+describe("Bug #328: wrong serialization of fields with multiple backslash characters", function () {
+  before(function () {
+    return CREATE_TEST_DB(this, 'testdb_bug_328')
+    .bind(this)
+    .then(function () {
+      return this.db.class.create('TestSerializeBackslash');
+    });
+  });
+  after(function () {
+    return DELETE_TEST_DB('testdb_bug_328');
+  });
+
+  it('should insert a document with correct quotes for backslashes', function () {
+    return this.db
+    .insert()
+    .into('TestSerializeBackslash')
+    .set({
+      foo: 'kratke, , nadherne, proste bozi, chjo som sa ostrihal :\\\\',
+      bar: '>'
+    })
+    .one()
+    .then(function (res) {
+      res.foo.should.equal('kratke, , nadherne, proste bozi, chjo som sa ostrihal :\\\\');
+    });
+  });
+
+});