diff --git a/code/game/machinery/autolathe.dm b/code/game/machinery/autolathe.dm
index d6154aeb8b5..57c0233322a 100644
--- a/code/game/machinery/autolathe.dm
+++ b/code/game/machinery/autolathe.dm
@@ -47,7 +47,7 @@
 							)
 
 /obj/machinery/autolathe/Initialize()
-	AddComponent(/datum/component/material_container, list(MAT_METAL, MAT_GLASS), 0, FALSE, null, null, CALLBACK(src, .proc/AfterMaterialInsert))
+	AddComponent(/datum/component/material_container, list(MAT_METAL, MAT_GLASS), 0, TRUE, null, null, CALLBACK(src, .proc/AfterMaterialInsert))
 	. = ..()
 
 	wires = new /datum/wires/autolathe(src)
diff --git a/code/game/mecha/mech_fabricator.dm b/code/game/mecha/mech_fabricator.dm
index 526c8088091..65eabf12830 100644
--- a/code/game/mecha/mech_fabricator.dm
+++ b/code/game/mecha/mech_fabricator.dm
@@ -37,7 +37,7 @@
 /obj/machinery/mecha_part_fabricator/Initialize()
     var/datum/component/material_container/materials = AddComponent(/datum/component/material_container,
      list(MAT_METAL, MAT_GLASS, MAT_SILVER, MAT_GOLD, MAT_DIAMOND, MAT_PLASMA, MAT_URANIUM, MAT_BANANIUM, MAT_TITANIUM, MAT_BLUESPACE), 0,
-        FALSE, list(/obj/item/stack), CALLBACK(src, .proc/is_insertion_ready), CALLBACK(src, .proc/AfterMaterialInsert))
+        TRUE, list(/obj/item/stack), CALLBACK(src, .proc/is_insertion_ready), CALLBACK(src, .proc/AfterMaterialInsert))
     materials.precise_insertion = TRUE
     stored_research = new
     return ..()
diff --git a/code/modules/mining/machine_processing.dm b/code/modules/mining/machine_processing.dm
index c7ba9ad6f42..47c1201323d 100644
--- a/code/modules/mining/machine_processing.dm
+++ b/code/modules/mining/machine_processing.dm
@@ -84,7 +84,7 @@
 /obj/machinery/mineral/processing_unit/Initialize()
 	. = ..()
 	proximity_monitor = new(src, 1)
-	AddComponent(/datum/component/material_container, list(MAT_METAL, MAT_GLASS, MAT_SILVER, MAT_GOLD, MAT_DIAMOND, MAT_PLASMA, MAT_URANIUM, MAT_BANANIUM, MAT_TITANIUM, MAT_BLUESPACE), INFINITY, FALSE, list(/obj/item/stack))
+	AddComponent(/datum/component/material_container, list(MAT_METAL, MAT_GLASS, MAT_SILVER, MAT_GOLD, MAT_DIAMOND, MAT_PLASMA, MAT_URANIUM, MAT_BANANIUM, MAT_TITANIUM, MAT_BLUESPACE), INFINITY, TRUE, list(/obj/item/stack))
 	stored_research = new /datum/techweb/specialized/autounlocking/smelter
 
 /obj/machinery/mineral/processing_unit/Destroy()
diff --git a/code/modules/research/machinery/_production.dm b/code/modules/research/machinery/_production.dm
index 76712dd55e1..75ed53e9364 100644
--- a/code/modules/research/machinery/_production.dm
+++ b/code/modules/research/machinery/_production.dm
@@ -24,7 +24,7 @@
 	create_reagents(0)
 	materials = AddComponent(/datum/component/material_container,
 		list(MAT_METAL, MAT_GLASS, MAT_SILVER, MAT_GOLD, MAT_DIAMOND, MAT_PLASMA, MAT_URANIUM, MAT_BANANIUM, MAT_TITANIUM, MAT_BLUESPACE, MAT_PLASTIC), 0,
-		FALSE, list(/obj/item/stack), CALLBACK(src, .proc/is_insertion_ready), CALLBACK(src, .proc/AfterMaterialInsert))
+		TRUE, list(/obj/item/stack), CALLBACK(src, .proc/is_insertion_ready), CALLBACK(src, .proc/AfterMaterialInsert))
 	materials.precise_insertion = TRUE
 	RefreshParts()
 	matching_designs = list()