diff --git a/code/modules/reagents/reagent_containers/pill.dm b/code/modules/reagents/reagent_containers/pill.dm
index 49fb17ad9cf..f984a07e9f7 100644
--- a/code/modules/reagents/reagent_containers/pill.dm
+++ b/code/modules/reagents/reagent_containers/pill.dm
@@ -34,6 +34,10 @@
 /obj/item/reagent_containers/food/pill/afterattack(obj/target, mob/user, proximity)
 	if(!proximity || !target.is_refillable())
 		return
+	if(target.reagents.holder_full())
+		to_chat(user, "<span class='warning'>[target] is full.</span>")
+		return
+
 	to_chat(user, "<span class='notice'>You [!target.reagents.total_volume ? "break open" : "dissolve"] [src] in [target].</span>")
 	for(var/mob/O in oviewers(2, user))
 		O.show_message("<span class='warning'>[user] puts something in [target].</span>", 1)