diff --git a/cmd/disk-cache-backend.go b/cmd/disk-cache-backend.go
index b9ff603ea..dce5578ec 100644
--- a/cmd/disk-cache-backend.go
+++ b/cmd/disk-cache-backend.go
@@ -1003,6 +1003,7 @@ func (c *diskCache) bitrotReadFromCache(ctx context.Context, filePath string, of
 	if err != nil {
 		return err
 	}
+	defer rc.Close()
 	bufp := c.pool.Get().(*[]byte)
 	defer c.pool.Put(bufp)