Index: command/agent/host/unix.go
--- command/agent/host/unix.go.orig
+++ command/agent/host/unix.go
@@ -64,9 +64,9 @@ func makeDf(path string) (*df, error) {
 }
 
 func (d *df) total() uint64 {
-	return d.s.Blocks * uint64(d.s.Bsize)
+	return d.s.F_blocks * uint64(d.s.F_bsize)
 }
 
 func (d *df) available() uint64 {
-	return d.s.Bavail * uint64(d.s.Bsize)
+	return uint64(d.s.F_bavail) * uint64(d.s.F_bsize)
 }