diff --git a/plugins/elantp/fu-elantp-hid-device.c b/plugins/elantp/fu-elantp-hid-device.c
index e8d3524a0..55630e011 100644
--- a/plugins/elantp/fu-elantp-hid-device.c
+++ b/plugins/elantp/fu-elantp-hid-device.c
@@ -477,6 +477,9 @@ fu_elantp_hid_device_detach(FuDevice *device, FuProgress *progress, GError **err
 	} else {
 		iap_ver = fu_memread_uint16(buf, G_LITTLE_ENDIAN);
 	}
+
+	/* set the page size */
+	self->fw_page_size = 64;
 	if (ic_type >= 0x10) {
 		if (iap_ver >= 1) {
 			/* set the IAP type, presumably some kind of ABI */
diff --git a/plugins/elantp/fu-elantp-i2c-device.c b/plugins/elantp/fu-elantp-i2c-device.c
index a4b76d7de..04015cbd4 100644
--- a/plugins/elantp/fu-elantp-i2c-device.c
+++ b/plugins/elantp/fu-elantp-i2c-device.c
@@ -327,7 +327,6 @@ fu_elantp_i2c_device_setup(FuDevice *device, GError **error)
 				    G_LITTLE_ENDIAN,
 				    error))
 		return FALSE;
-	fu_device_add_instance_u16(device, "MOD", self->module_id);
 
 	/* define the extra instance IDs */
 	fu_device_add_instance_u16(device, "VEN", vid);