diff --git a/src/pregmod/widgets/pregmodWidgets.tw b/src/pregmod/widgets/pregmodWidgets.tw
index d8acd08e2f2c20c416bc38ffbceff3aa326f2ace..4ee26e138b3530b17f231f867d322008582ebe78 100644
--- a/src/pregmod/widgets/pregmodWidgets.tw
+++ b/src/pregmod/widgets/pregmodWidgets.tw
@@ -176,7 +176,7 @@
 	<<set $args[0].nipplesAccessory = "none">>
 <</if>>
 <<if def $args[0].pregGenerator>>
-	<<unset $args[0].pregGenerator>>
+	<<run delete $args[0].pregGenerator>>
 <</if>>
 <<if ndef $args[0].broodmother>>
 	<<set $args[0].broodmother = 0>>