diff --git a/net/socket.c b/net/socket.c
index 06603d7..cc9b666 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -1789,7 +1789,7 @@
  *	Shutdown a socket.
  */
 
-asmlinkage long sys_shutdown(int fd, int how)
+SYSCALL_DEFINE2(shutdown, int, fd, int, how)
 {
 	int err, fput_needed;
 	struct socket *sock;