diff --git a/Resources/Prototypes/Nyanotrasen/Species/oni.yml b/Resources/Prototypes/Nyanotrasen/Species/oni.yml
index 0869369d0c5..18500ffa1dc 100644
--- a/Resources/Prototypes/Nyanotrasen/Species/oni.yml
+++ b/Resources/Prototypes/Nyanotrasen/Species/oni.yml
@@ -9,7 +9,8 @@
   skinColoration: Hues
   maleFirstNames: names_oni_male
   femaleFirstNames: names_oni_female
-  lastNames: names_oni_location
+  maleLastNames: names_oni_location # Corvax-LastnameGender
+  femaleLastNames: names_oni_location # Corvax-LastnameGender
   naming: XnoY
 
 - type: markingPoints