diff --git a/aos/atom_code/input/JoystickInput.cpp b/aos/atom_code/input/JoystickInput.cpp
index 8b3bc44..2dd31da 100644
--- a/aos/atom_code/input/JoystickInput.cpp
+++ b/aos/atom_code/input/JoystickInput.cpp
@@ -44,7 +44,8 @@
 void JoystickInput::Run() {
   ReceiveSocket sock(NetworkPort::kDS);
   while (true) {
-    if (sock.Recv(&control_data_, sizeof(control_data_)) == -1) {
+    if (sock.Receive(&control_data_, sizeof(control_data_)) !=
+        sizeof(control_data_)) {
       LOG(WARNING, "socket receive failed\n");
       continue;
     }