diff --git a/sys/kern/vfs_syscalls.c b/sys/kern/vfs_syscalls.c
index e675b09..bdb1639 100644
--- a/sys/kern/vfs_syscalls.c
+++ b/sys/kern/vfs_syscalls.c
@@ -4528,7 +4528,7 @@ sys_posix_fallocate(struct thread *td, struct posix_fallocate_args *uap)
 
 	td->td_retval[0] = kern_posix_fallocate(td, uap->fd, uap->offset,
 	    uap->len);
-	return (0);
+	return (td->td_retval[0]);
 }
 
 /*
@@ -4665,5 +4665,5 @@ sys_posix_fadvise(struct thread *td, struct posix_fadvise_args *uap)
 
 	td->td_retval[0] = kern_posix_fadvise(td, uap->fd, uap->offset,
 	    uap->len, uap->advice);
-	return (0);
+	return (td->td_retval[0]);
 }