diff --git a/code/datums/mutations/hulk.dm b/code/datums/mutations/hulk.dm
index 85cecca489..3d07e6066f 100644
--- a/code/datums/mutations/hulk.dm
+++ b/code/datums/mutations/hulk.dm
@@ -5,7 +5,7 @@
 	get_chance = 15
 	lowest_value = 256 * 12
 	text_gain_indication = "<span class='notice'>Your muscles hurt!</span>"
-	species_allowed = list("human") //no skeleton/lizard hulk
+	species_allowed = list("fly") //no skeleton/lizard hulk
 	health_req = 25
 
 /datum/mutation/human/hulk/on_acquiring(mob/living/carbon/human/owner)