diff --git a/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Food-Drinks.dm b/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Food-Drinks.dm
index 0d04d8ad99..fdbac0339e 100644
--- a/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Food-Drinks.dm
+++ b/code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Food-Drinks.dm
@@ -563,7 +563,6 @@
 	adj_drowsy = -3
 	adj_sleepy = -2
 	adj_temp = 25
-	overdose = 45
 
 	glass_icon_state = "hot_coffee"
 	glass_name = "cup of coffee"
@@ -575,11 +574,8 @@
 		return
 	if(adj_temp > 0)
 		holder.remove_reagent("frostoil", 10 * removed)
-
-/datum/reagent/drink/coffee/overdose(var/mob/living/carbon/M, var/alien)
-	if(alien == IS_DIONA)
-		return
-	M.make_jittery(5)
+	if(dose > 45)
+		M.make_jittery(5)
 
 /datum/reagent/drink/coffee/icecoffee
 	name = "Iced Coffee"