diff --git a/code/modules/mining/boulder_processing/boulder.dm b/code/modules/mining/boulder_processing/boulder.dm
index 08544b0958f..8fb1fe2dd78 100644
--- a/code/modules/mining/boulder_processing/boulder.dm
+++ b/code/modules/mining/boulder_processing/boulder.dm
@@ -22,6 +22,8 @@
 	var/boulder_size = BOULDER_SIZE_SMALL
 	/// Used in inheriting the icon_state from our parent vent in update_icon.
 	var/boulder_string = "boulder"
+	// There is one boulder per boulder (this is required for the Clarke UI as it treats ores and boulders in the same fashion and needs an amount for both)
+	var/amount = 1
 
 /obj/item/boulder/Initialize(mapload)
 	. = ..()
diff --git a/code/modules/vehicles/mecha/working/clarke.dm b/code/modules/vehicles/mecha/working/clarke.dm
index 2ec0b4a4736..e06e578b707 100644
--- a/code/modules/vehicles/mecha/working/clarke.dm
+++ b/code/modules/vehicles/mecha/working/clarke.dm
@@ -78,14 +78,14 @@
 	var/list/contents = chassis.ore_box?.contents
 	var/list/contents_grouped = list()
 	for(var/obj/item/stack/ore/item as anything in contents)
-		if(isnull(contents_grouped[item.icon_state]))
+		if(isnull(contents_grouped[item.name]))
 			var/ore_data = list()
 			ore_data["name"] = item.name
 			ore_data["icon"] = item.icon_state
 			ore_data["amount"] = item.amount
-			contents_grouped[item.icon_state] = ore_data
+			contents_grouped[item.name] = ore_data
 		else
-			contents_grouped[item.icon_state]["amount"] += item.amount
+			contents_grouped[item.name]["amount"] += item.amount
 	var/list/data = list(
 		"snowflake_id" = MECHA_SNOWFLAKE_ID_OREBOX_MANAGER,
 		"contents" = contents_grouped,