diff --git a/test/common/autotest_common.sh b/test/common/autotest_common.sh
index 4b85c6179..e23ac1f21 100755
--- a/test/common/autotest_common.sh
+++ b/test/common/autotest_common.sh
@@ -1056,7 +1056,7 @@ function waitforserial_disconnect() {
 		sleep 1
 	done
 
-	if lsblk -l -o NAME | grep -q -w $1; then
+	if lsblk -l -o NAME,SERIAL | grep -q -w $1; then
 		return 1
 	fi