diff --git a/drivers/ata/libata-zpodd.c b/drivers/ata/libata-zpodd.c
index 1f5d52a..540b0b7 100644
--- a/drivers/ata/libata-zpodd.c
+++ b/drivers/ata/libata-zpodd.c
@@ -150,6 +150,7 @@
 
 	if (!zpready(dev)) {
 		zpodd->zp_sampled = false;
+		zpodd->zp_ready = false;
 		return;
 	}