diff --git a/fs/open.c b/fs/open.c
index f6c2f56..322bb60 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -174,7 +174,7 @@
 	return error;
 }
 
-asmlinkage long sys_fstatfs64(unsigned int fd, size_t sz, struct statfs64 __user *buf)
+SYSCALL_DEFINE3(fstatfs64, unsigned int, fd, size_t, sz, struct statfs64 __user *, buf)
 {
 	struct file * file;
 	struct statfs64 tmp;