diff --git a/code/game/objects/structures/door_assembly.dm b/code/game/objects/structures/door_assembly.dm
index e99dcb3fd04..b7213ccc599 100644
--- a/code/game/objects/structures/door_assembly.dm
+++ b/code/game/objects/structures/door_assembly.dm
@@ -8,6 +8,7 @@
 	var/overlays_file = 'icons/obj/doors/airlocks/station/overlays.dmi'
 	var/state = AIRLOCK_ASSEMBLY_NEEDS_WIRES
 	var/mineral
+	var/mineral_type
 	var/base_name = "airlock"
 	var/obj/item/airlock_electronics/electronics
 	var/airlock_type = /obj/machinery/door/airlock //the type path of the airlock once completed
@@ -329,7 +330,6 @@
 					new /obj/item/stack/sheet/glass(T)
 			else
 				new /obj/item/shard(T)
-		if(mineral)
-			var/obj/item/stack/sheet/mineral/mineral_path = text2path("/obj/item/stack/sheet/mineral/[mineral]")
-			new mineral_path(T, 2)
+		if(mineral_type)
+			new mineral_type(T, 2)
 	qdel(src)
diff --git a/code/game/objects/structures/door_assembly_types.dm b/code/game/objects/structures/door_assembly_types.dm
index 13ebcf51a82..0bbd26b8997 100644
--- a/code/game/objects/structures/door_assembly_types.dm
+++ b/code/game/objects/structures/door_assembly_types.dm
@@ -199,6 +199,7 @@
 	airlock_type = /obj/machinery/door/airlock/gold
 	mineral = "gold"
 	glass_type = /obj/machinery/door/airlock/gold/glass
+	mineral_type = /obj/item/stack/sheet/mineral/gold
 
 /obj/structure/door_assembly/door_assembly_silver
 	name = "silver airlock assembly"
@@ -207,6 +208,7 @@
 	airlock_type = /obj/machinery/door/airlock/silver
 	mineral = "silver"
 	glass_type = /obj/machinery/door/airlock/silver/glass
+	mineral_type = /obj/item/stack/sheet/mineral/silver
 
 /obj/structure/door_assembly/door_assembly_diamond
 	name = "diamond airlock assembly"
@@ -215,6 +217,7 @@
 	airlock_type = /obj/machinery/door/airlock/diamond
 	mineral = "diamond"
 	glass_type = /obj/machinery/door/airlock/diamond/glass
+	mineral_type = /obj/item/stack/sheet/mineral/diamond
 
 /obj/structure/door_assembly/door_assembly_uranium
 	name = "uranium airlock assembly"
@@ -223,6 +226,7 @@
 	airlock_type = /obj/machinery/door/airlock/uranium
 	mineral = "uranium"
 	glass_type = /obj/machinery/door/airlock/uranium/glass
+	mineral_type = /obj/item/stack/sheet/mineral/uranium
 
 /obj/structure/door_assembly/door_assembly_plasma
 	name = "plasma airlock assembly"
@@ -231,6 +235,7 @@
 	airlock_type = /obj/machinery/door/airlock/plasma
 	mineral = "plasma"
 	glass_type = /obj/machinery/door/airlock/plasma/glass
+	mineral_type = /obj/item/stack/sheet/mineral/plasma
 
 /obj/structure/door_assembly/door_assembly_bananium
 	name = "bananium airlock assembly"
@@ -240,6 +245,7 @@
 	airlock_type = /obj/machinery/door/airlock/bananium
 	mineral = "bananium"
 	glass_type = /obj/machinery/door/airlock/bananium/glass
+	mineral_type = /obj/item/stack/sheet/mineral/bananium
 
 /obj/structure/door_assembly/door_assembly_tranquillite
 	name = "tranquillite airlock assembly"
@@ -248,6 +254,7 @@
 	airlock_type = /obj/machinery/door/airlock/tranquillite
 	mineral = "tranquillite"
 	noglass = TRUE
+	mineral_type = /obj/item/stack/sheet/mineral/tranquillite
 
 /obj/structure/door_assembly/door_assembly_sandstone
 	name = "sandstone airlock assembly"
@@ -256,6 +263,7 @@
 	airlock_type = /obj/machinery/door/airlock/sandstone
 	mineral = "sandstone"
 	glass_type = /obj/machinery/door/airlock/sandstone/glass
+	mineral_type = /obj/item/stack/sheet/mineral/sandstone
 
 /obj/structure/door_assembly/door_assembly_titanium
 	name = "titanium airlock assembly"
@@ -265,6 +273,7 @@
 	glass_type = /obj/machinery/door/airlock/titanium/glass
 	airlock_type = /obj/machinery/door/airlock/titanium
 	mineral = "titanium"
+	mineral_type = /obj/item/stack/sheet/mineral/titanium
 
 /obj/structure/door_assembly/door_assembly_wood
 	name = "wooden airlock assembly"
@@ -273,3 +282,4 @@
 	airlock_type = /obj/machinery/door/airlock/wood
 	mineral = "wood"
 	glass_type = /obj/machinery/door/airlock/wood/glass
+	mineral_type = /obj/item/stack/sheet/wood