diff --git a/cmd/erasure-server-pool.go b/cmd/erasure-server-pool.go
index f2f6d7bf6..e10075569 100644
--- a/cmd/erasure-server-pool.go
+++ b/cmd/erasure-server-pool.go
@@ -221,6 +221,9 @@ func (z *erasureServerPools) getServerPoolsAvailableSpace(ctx context.Context, b
 			continue
 		}
 		for _, disk := range zinfo {
+			if disk == nil {
+				continue
+			}
 			available += disk.Total - disk.Used
 		}
 		serverPools[i] = poolAvailableSpace{