diff --git a/code/__DEFINES/time.dm b/code/__DEFINES/time.dm
index 4af03ae9145..b7c71e2d734 100644
--- a/code/__DEFINES/time.dm
+++ b/code/__DEFINES/time.dm
@@ -29,6 +29,7 @@
 #define GARBAGEDAY "Garbage Day"
 #define MONKEYDAY "Monkey Day"
 #define PRIDE_WEEK "Pride Week"
+#define MOTH_WEEK "Moth Week"
 /*
 
 Days of the week to make it easier to reference them.
diff --git a/code/game/machinery/teleporter.dm b/code/game/machinery/teleporter.dm
index e1c6327e013..30d72f2c6af 100644
--- a/code/game/machinery/teleporter.dm
+++ b/code/game/machinery/teleporter.dm
@@ -79,10 +79,13 @@
 				if(ishuman(M))//don't remove people from the round randomly you jerks
 					var/mob/living/carbon/human/human = M
 					if(!(human.mob_biotypes & (MOB_ROBOTIC|MOB_MINERAL|MOB_UNDEAD|MOB_SPIRIT)))
-						if(human.dna && human.dna.species.id != SPECIES_FLY)
+						var/datum/species/species_to_transform = /datum/species/fly
+						if(SSevents.holidays && SSevents.holidays[MOTH_WEEK])
+							species_to_transform = /datum/species/moth
+						if(human.dna && human.dna.species.id != initial(species_to_transform.id))
 							to_chat(M, span_hear("You hear a buzzing in your ears."))
-							human.set_species(/datum/species/fly)
-							log_game("[human] ([key_name(human)]) was turned into a fly person")
+							human.set_species(species_to_transform)
+							log_game("[human] ([key_name(human)]) was turned into a [initial(species_to_transform.name)] through [src].")
 
 					human.apply_effect((rand(120 - accuracy * 40, 180 - accuracy * 60)), EFFECT_IRRADIATE, 0)
 			calibrated = FALSE
diff --git a/code/modules/holiday/nth_week.dm b/code/modules/holiday/nth_week.dm
index 342cc663b48..10ecc11b3ca 100644
--- a/code/modules/holiday/nth_week.dm
+++ b/code/modules/holiday/nth_week.dm
@@ -67,7 +67,7 @@
 	return pick("Stout","Porter","Lager","Ale","Malt","Bock","Doppelbock","Hefeweizen","Pilsner","IPA","Lite") //I'm sorry for the last one
 
 /datum/holiday/nth_week/moth
-	name = "Moth Week"
+	name = MOTH_WEEK
 	begin_week = 3
 	end_week = 4
 	begin_month = JULY