diff --git a/code/modules/mob/living/carbon/human/species/station/prometheans.dm b/code/modules/mob/living/carbon/human/species/station/prometheans.dm
index 27b156534a..0d132017c6 100644
--- a/code/modules/mob/living/carbon/human/species/station/prometheans.dm
+++ b/code/modules/mob/living/carbon/human/species/station/prometheans.dm
@@ -53,6 +53,8 @@ var/datum/species/shapeshifter/promethean/prometheans
 	siemens_coefficient =   0.3
 	rarity_value =          5
 
+	genders = list(MALE, FEMALE, PLURAL)
+
 	unarmed_types = list(/datum/unarmed_attack/slime_glomp)
 	has_organ =     list(O_BRAIN = /obj/item/organ/internal/brain/slime) // Slime core.
 	has_limbs = list(