diff --git a/code/_helpers/global_lists.dm b/code/_helpers/global_lists.dm
index 489a2dffb4f..7957ab70ea8 100644
--- a/code/_helpers/global_lists.dm
+++ b/code/_helpers/global_lists.dm
@@ -1469,6 +1469,7 @@ GLOBAL_LIST_INIT(sheet_reagents, list( //have a number of reagents divisible by
 	/obj/item/stack/material/sandstone = list(REAGENT_ID_SILICON, REAGENT_ID_OXYGEN),
 	/obj/item/stack/material/marble = list(REAGENT_ID_CALCIUM),
 	/obj/item/stack/material/titanium = list(REAGENT_ID_ALUMINIUM),
+	/obj/item/stack/material/lead = list(REAGENT_ID_LEAD),
 	// Nuclear
 	/obj/item/stack/material/mhydrogen = list(REAGENT_ID_HYDROGEN),
 	/obj/item/stack/material/deuterium = list(REAGENT_ID_HYDROGEN),