diff --git a/code/modules/unit_tests/required_map_items.dm b/code/modules/unit_tests/required_map_items.dm
index a8804645efd8..e72be1703e46 100644
--- a/code/modules/unit_tests/required_map_items.dm
+++ b/code/modules/unit_tests/required_map_items.dm
@@ -30,7 +30,8 @@
 	expected_types += /obj/structure/cassette_rack/prefilled
 	expected_types += /obj/machinery/cryopod
 	expected_types += /obj/machinery/cassette/mailbox
-	ignored_types += /obj/machinery/cryopod/prison
+	expected_types += /obj/machinery/station_map/engineering
+	ignored_types  += /obj/machinery/cryopod/prison
 	// monkestation end
 
 /datum/unit_test/required_map_items/Run()
diff --git a/monkestation/code/modules/holomaps/machinery.dm b/monkestation/code/modules/holomaps/machinery.dm
index 428df2f60440..ac3c6fd6cc37 100644
--- a/monkestation/code/modules/holomaps/machinery.dm
+++ b/monkestation/code/modules/holomaps/machinery.dm
@@ -269,9 +269,12 @@
 	icon_state = "station_map_engi"
 	circuit = /obj/item/circuitboard/machine/station_map/engineering
 
-/obj/machinery/station_map/engineering/attack_hand(mob/user)
+/obj/machinery/station_map/engineering/Initialize()
 	. = ..()
+	REGISTER_REQUIRED_MAP_ITEM(1, INFINITY)
 
+/obj/machinery/station_map/engineering/attack_hand(mob/user)
+	. = ..()
 	if(.)
 		holomap_datum.update_map(handle_overlays())