diff --git a/code/modules/item_upgrades/item_upgrade.dm b/code/modules/item_upgrades/item_upgrade.dm
index ac4ac5566e73..ebf730e164d5 100644
--- a/code/modules/item_upgrades/item_upgrade.dm
+++ b/code/modules/item_upgrades/item_upgrade.dm
@@ -133,7 +133,7 @@
 
 /obj/item/hud_upgrade/thermal/upgrade_hud(obj/item/clothing/glasses/sunglasses/hud/advanced/glasses, mob/living/user)
 	..()
-	item_actions.Add(new /datum/action/item_action/hands_free/switch_hud_modes/thermal(src))
+	glasses.item_actions.Add(new /datum/action/item_action/hands_free/switch_hud_modes/thermal(src))
 
 /obj/item/hud_upgrade/thermal_advanced
 	name = "Advanced Thermal HUD upgrade"