diff --git a/compiler/cpp/src/thrift/generate/t_js_generator.cc b/compiler/cpp/src/thrift/generate/t_js_generator.cc
index 10b0ee1..c146da7 100644
--- a/compiler/cpp/src/thrift/generate/t_js_generator.cc
+++ b/compiler/cpp/src/thrift/generate/t_js_generator.cc
@@ -1510,16 +1510,20 @@
         f_service_ << indent() << "return this.output.getTransport().flush(callback);" << endl;
       } else {
         f_service_ << indent() << "if (callback) {" << endl;
-        f_service_ << indent() << "  var self = this;" << endl;
-        f_service_ << indent() << "  this.output.getTransport().flush(true, function() {" << endl;
-        f_service_ << indent() << "    var result = null;" << endl;
-        f_service_ << indent() << "    try {" << endl;
-        f_service_ << indent() << "      result = self.recv_" << funname << "();" << endl;
-        f_service_ << indent() << "    } catch (e) {" << endl;
-        f_service_ << indent() << "      result = e;" << endl;
-        f_service_ << indent() << "    }" << endl;
-        f_service_ << indent() << "    callback(result);" << endl;
-        f_service_ << indent() << "  });" << endl;
+        if((*f_iter)->is_oneway()) {
+          f_service_ << indent() << "  this.output.getTransport().flush(true, null);" << endl;
+        } else {
+          f_service_ << indent() << "  var self = this;" << endl;
+          f_service_ << indent() << "  this.output.getTransport().flush(true, function() {" << endl;
+          f_service_ << indent() << "    var result = null;" << endl;
+          f_service_ << indent() << "    try {" << endl;
+          f_service_ << indent() << "      result = self.recv_" << funname << "();" << endl;
+          f_service_ << indent() << "    } catch (e) {" << endl;
+          f_service_ << indent() << "      result = e;" << endl;
+          f_service_ << indent() << "    }" << endl;
+          f_service_ << indent() << "    callback(result);" << endl;
+          f_service_ << indent() << "  });" << endl;
+        }
         f_service_ << indent() << "} else {" << endl;
         f_service_ << indent() << "  return this.output.getTransport().flush();" << endl;
         f_service_ << indent() << "}" << endl;
diff --git a/lib/js/src/thrift.js b/lib/js/src/thrift.js
index 37ba690..ab85e9d 100644
--- a/lib/js/src/thrift.js
+++ b/lib/js/src/thrift.js
@@ -575,6 +575,15 @@
             clientCallback();
           };
         }()));
+        if(callback) {
+          this.callbacks.push((function() {
+            var clientCallback = callback;
+            return function(msg) {
+              self.setRecvBuffer(msg);
+              clientCallback();
+            };
+          }()));
+        }
       } else {
         //Queue the send to go out __onOpen
         this.send_pending.push({