diff --git a/code/modules/reagents/reagent_containers/cups/_cup.dm b/code/modules/reagents/reagent_containers/cups/_cup.dm
index a01382d2f2f..21033494e05 100644
--- a/code/modules/reagents/reagent_containers/cups/_cup.dm
+++ b/code/modules/reagents/reagent_containers/cups/_cup.dm
@@ -355,6 +355,10 @@
 	update_appearance()
 	return TRUE
 
+/obj/item/reagent_containers/cup/on_found(mob/finder)
+	. = ..()
+	lid_assembly?.on_found(finder)
+
 /obj/item/reagent_containers/cup/Exited(atom/movable/gone, direction)
 	. = ..()
 	if (gone == lid_assembly)