diff --git a/src/uncategorized/BackwardsCompatibility.tw b/src/uncategorized/BackwardsCompatibility.tw
index fbcf199b5c6e563dd1b9db9b83ab1367c02149d8..fcc3dbe857c4f708cc48529a16e8ee9f245a51a2 100644
--- a/src/uncategorized/BackwardsCompatibility.tw
+++ b/src/uncategorized/BackwardsCompatibility.tw
@@ -61,6 +61,20 @@
 	<<set $scarDesign = {primary: "generic", local: "generic"}>>
 <</if>>
 
+<<if !$customSlave.hasOwnProperty("skill")>>
+	<<set $customSlave.skill = {whore: 15, combat: 0}>>
+<</if>>
+
+<<if $customSlave.hasOwnProperty("whoreSkills")>>
+	<<set $customSlave.skill.whore = $customSlave.whoreSkills>>
+	<<run delete $customSlave.whoreSkills>>
+<</if>>
+
+<<if $customSlave.hasOwnProperty("combatSkills")>>
+	<<set $customSlave.skill.combat = $customSlave.combatSkills>>
+	<<run delete $customSlave.combatSkills>>
+<</if>>
+
 <<if def $servantMilkersJobs>>
 	<<unset $servantMilkersJobs>>
 <</if>>