diff --git a/voidcrew/modules/vending/_vending.dm b/voidcrew/modules/vending/_vending.dm
index 329557bff65..ac8da3d8915 100644
--- a/voidcrew/modules/vending/_vending.dm
+++ b/voidcrew/modules/vending/_vending.dm
@@ -3,3 +3,11 @@
 	onstation = FALSE
 	//if(circuit)
 	//	circuit.onstation = FALSE // TODO: Fix circuit.onstation
+
+/**
+ * tg's sustenance vendor turns away anyone without a prisoner ID unless it carries an
+ * access list. Ship hulls map it in mess halls and brigs where nobody has one, and the
+ * crewed-ship access waiver only applies to machines that have req_access at all.
+ */
+/obj/machinery/vending/sustenance
+	req_access = list(ACCESS_BRIG)