diff --git a/src/uncategorized/BackwardsCompatibility.tw b/src/uncategorized/BackwardsCompatibility.tw
index bdb45c0fb8dbd386c9c4aff7c3c5fc57447296d8..9a447add8089cd98e84bd15503966702cf3b8fb8 100644
--- a/src/uncategorized/BackwardsCompatibility.tw
+++ b/src/uncategorized/BackwardsCompatibility.tw
@@ -98,6 +98,14 @@
 	<<set $scarDesign = {primary: "generic", local: "generic"}>>
 <</if>>
 
+<<if !$customSlave.hasOwnProperty("leg")>>
+	<<set $customSlave.leg = {left: new App.Entity.LimbState(), right: new App.Entity.LimbState()}>>
+<</if>>
+
+<<if !$customSlave.hasOwnProperty("arm")>>
+	<<set $customSlave.arm = {left: new App.Entity.LimbState(), right: new App.Entity.LimbState()}>>
+<</if>>
+
 <<if !$customSlave.hasOwnProperty("skill")>>
 	<<set $customSlave.skill = {whore: 15, combat: 0}>>
 <</if>>