diff --git a/driver-ztex.c b/driver-ztex.c
index 27b8c26b..13b70bee 100644
--- a/driver-ztex.c
+++ b/driver-ztex.c
@@ -398,6 +398,7 @@ static void ztex_disable(struct thr_info *thr)
 }
 
 struct device_drv ztex_drv = {
+	.drv_id = DRIVER_ZTEX,
 	.dname = "ztex",
 	.name = "ZTX",
 	.drv_detect = ztex_detect,