diff --git a/wait_for_sysfs.c b/wait_for_sysfs.c
index 8f142f488b..b6de3947c8 100644
--- a/wait_for_sysfs.c
+++ b/wait_for_sysfs.c
@@ -147,6 +147,7 @@ static int class_device_expect_no_device_link(struct sysfs_class_device *class_d
 		{ .subsystem = "block",		.device = "pf" },
 		{ .subsystem = "block",		.device = "scd" },
 		{ .subsystem = "block",		.device = "ubd" },
+		{ .subsystem = "block",		.device = "dm-" },
 		{ .subsystem = "input",		.device = "event" },
 		{ .subsystem = "input",		.device = "mice" },
 		{ .subsystem = "input",		.device = "mouse" },