diff --git a/code/modules/mob/living/carbon/human/species_types/lizardpeople.dm b/code/modules/mob/living/carbon/human/species_types/lizardpeople.dm
index a02c93e365..c5a64ebd13 100644
--- a/code/modules/mob/living/carbon/human/species_types/lizardpeople.dm
+++ b/code/modules/mob/living/carbon/human/species_types/lizardpeople.dm
@@ -98,5 +98,5 @@
 
 /datum/species/lizard/ashwalker/on_species_gain(mob/living/carbon/human/C, datum/species/old_species)
 	if((C.dna.features["spines"] != "None" ) && (C.dna.features["tail"] == "None")) //tbh, it's kinda ugly for them not to have a tail yet have floating spines
-		C.dna.features["tail"] == "Smooth"
+		C.dna.features["tail"] = "Smooth"
 	return ..()