diff --git a/plugins/vli/fu-vli-usbhub-msp430-device.c b/plugins/vli/fu-vli-usbhub-msp430-device.c
index e3df9707b..e4d49491b 100644
--- a/plugins/vli/fu-vli-usbhub-msp430-device.c
+++ b/plugins/vli/fu-vli-usbhub-msp430-device.c
@@ -323,6 +323,7 @@ fu_vli_usbhub_msp430_device_init(FuVliUsbhubMsp430Device *self)
 	fu_device_add_icon(FU_DEVICE(self), "audio-card");
 	fu_device_add_protocol(FU_DEVICE(self), "com.vli.i2c");
 	fu_device_add_flag(FU_DEVICE(self), FWUPD_DEVICE_FLAG_UPDATABLE);
+	fu_device_add_flag(FU_DEVICE(self), FWUPD_DEVICE_FLAG_UNSIGNED_PAYLOAD);
 	fu_device_set_version_format(FU_DEVICE(self), FWUPD_VERSION_FORMAT_PAIR);
 	fu_device_set_logical_id(FU_DEVICE(self), "I2C");
 	fu_device_set_summary(FU_DEVICE(self), "I²C dock management device");