diff --git a/code/__DEFINES/inventory.dm b/code/__DEFINES/inventory.dm
index 65b7a57a1a0..c8293b00d69 100644
--- a/code/__DEFINES/inventory.dm
+++ b/code/__DEFINES/inventory.dm
@@ -168,6 +168,7 @@ GLOBAL_LIST_INIT(detective_vest_allowed, typecacheof(list(
 	/obj/item/tank/internals/plasmaman,
 	/obj/item/storage/belt/holster/detective,
 	/obj/item/storage/belt/holster/nukie,
+	/obj/item/storage/belt/holster/thermal,
 	)))
 
 GLOBAL_LIST_INIT(security_vest_allowed, typecacheof(list(
@@ -184,6 +185,7 @@ GLOBAL_LIST_INIT(security_vest_allowed, typecacheof(list(
 	/obj/item/tank/internals/plasmaman,
 	/obj/item/storage/belt/holster/detective,
 	/obj/item/storage/belt/holster/nukie,
+	/obj/item/storage/belt/holster/thermal,
 	)))
 
 GLOBAL_LIST_INIT(security_wintercoat_allowed, typecacheof(list(
@@ -196,6 +198,7 @@ GLOBAL_LIST_INIT(security_wintercoat_allowed, typecacheof(list(
 	/obj/item/restraints/handcuffs,
 	/obj/item/storage/belt/holster/detective,
 	/obj/item/storage/belt/holster/nukie,
+	/obj/item/storage/belt/holster/thermal,
 	)))
 
 /// String for items placed into the left pocket.