diff --git a/fs/open.c b/fs/open.c
index 4a6d800..bc49e3c 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -522,7 +522,7 @@
 	return sys_faccessat(AT_FDCWD, filename, mode);
 }
 
-asmlinkage long sys_chdir(const char __user * filename)
+SYSCALL_DEFINE1(chdir, const char __user *, filename)
 {
 	struct path path;
 	int error;
@@ -543,7 +543,7 @@
 	return error;
 }
 
-asmlinkage long sys_fchdir(unsigned int fd)
+SYSCALL_DEFINE1(fchdir, unsigned int, fd)
 {
 	struct file *file;
 	struct inode *inode;