diff --git a/fs/open.c b/fs/open.c
index 322bb60..9b926de 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -569,7 +569,7 @@
 	return error;
 }
 
-asmlinkage long sys_chroot(const char __user * filename)
+SYSCALL_DEFINE1(chroot, const char __user *, filename)
 {
 	struct path path;
 	int error;