diff --git a/plugins/cros-ec/fu-cros-ec-firmware.c b/plugins/cros-ec/fu-cros-ec-firmware.c
index 059711abf..c50de4dc7 100644
--- a/plugins/cros-ec/fu-cros-ec-firmware.c
+++ b/plugins/cros-ec/fu-cros-ec-firmware.c
@@ -132,6 +132,7 @@ fu_cros_ec_firmware_parse (FuFirmware *firmware,
 		section->offset = fu_firmware_image_get_addr (img);
 		section->size = g_bytes_get_size (payload_bytes);
 		fu_firmware_image_set_version (img, section->version);
+		section->image_idx = fu_firmware_image_get_idx (img);
 
 		if (rw) {
 			if (!fu_cros_ec_parse_version (section->version,
diff --git a/plugins/cros-ec/fu-cros-ec-firmware.h b/plugins/cros-ec/fu-cros-ec-firmware.h
index 9bbdde5d5..c7b09be8e 100644
--- a/plugins/cros-ec/fu-cros-ec-firmware.h
+++ b/plugins/cros-ec/fu-cros-ec-firmware.h
@@ -36,6 +36,7 @@ typedef struct {
 	gchar				version[FU_FMAP_FIRMWARE_STRLEN];
 	gint32				rollback;
 	guint32				key_version;
+	guint64				image_idx;
 } FuCrosEcFirmwareSection;
 
 gboolean			 fu_cros_ec_firmware_pick_sections	(FuCrosEcFirmware *self,