diff --git a/src/SecExp/SecExpBackwardCompatibility.tw b/src/SecExp/SecExpBackwardCompatibility.tw
index bf4e3f0a01c191669c1deb56bd18d8cf1580bc5f..3ec837428ca8e9b61e8137abd4dc0cf346401452 100644
--- a/src/SecExp/SecExpBackwardCompatibility.tw
+++ b/src/SecExp/SecExpBackwardCompatibility.tw
@@ -363,11 +363,8 @@
 <<if ndef $brainImplantProject>>
 	<<set $brainImplantProject = 0>>
 <</if>>
-<<if ndef $weapMenials>>
-	<<set $weapMenials = 0>>
-<</if>>
 <<if def $weapHelots>>
-	<<set $weapMenials = $weapHelots>>
+	<<set $weapMenials = $weapHelots || 0>>
 	<<unset $weapHelots>>
 <</if>>
 <<if ndef $weapManu>>