diff --git a/tools/mgmt-tester.c b/tools/mgmt-tester.c
index f6976ab..273401c 100644
--- a/tools/mgmt-tester.c
+++ b/tools/mgmt-tester.c
@@ -1138,6 +1138,20 @@ static const struct generic_data block_device_invalid_param_test_1 = {
 	.expect_len = sizeof(block_device_invalid_param_rsp_1),
 };
 
+static const char unblock_device_invalid_param_1[] = {
+			0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0xff };
+static const char unblock_device_invalid_param_rsp_1[] = {
+			0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0xff };
+
+static const struct generic_data unblock_device_invalid_param_test_1 = {
+	.send_opcode = MGMT_OP_UNBLOCK_DEVICE,
+	.send_param = unblock_device_invalid_param_1,
+	.send_len = sizeof(unblock_device_invalid_param_1),
+	.expect_status = MGMT_STATUS_INVALID_PARAMS,
+	.expect_param = unblock_device_invalid_param_rsp_1,
+	.expect_len = sizeof(unblock_device_invalid_param_rsp_1),
+};
+
 static void powered_delay(void *user_data)
 {
 	tester_setup_complete();
@@ -1699,5 +1713,9 @@ int main(int argc, char *argv[])
 			&block_device_invalid_param_test_1, NULL,
 			test_command_generic);
 
+	test_bredr("Unblock Device - Invalid Parameters 1",
+			&block_device_invalid_param_test_1, NULL,
+			test_command_generic);
+
 	return tester_run();
 }