diff --git a/src/tcp_socket.cpp b/src/tcp_socket.cpp
index 619151a..6a057bd 100644
--- a/src/tcp_socket.cpp
+++ b/src/tcp_socket.cpp
@@ -90,7 +90,7 @@ void TCPSocket::close()
   if (state_ != SocketState::Connected)
     return;
   state_ = SocketState::Closed;
-  ::shutdown(socket_fd_, SHUT_RDWR);
+  ::close(socket_fd_);
   socket_fd_ = -1;
 }
 
@@ -164,4 +164,4 @@ bool TCPSocket::write(const uint8_t *buf, size_t buf_len, size_t &written)
   }
 
   return true;
-}
\ No newline at end of file
+}