diff --git a/src/pregmod/csec.tw b/src/pregmod/csec.tw
index 158e5492f5bcaf50c38e87c85b367bcd7b81c776..a51f5d76ba6b411b10c24dbab00d7a8077daae65 100644
--- a/src/pregmod/csec.tw
+++ b/src/pregmod/csec.tw
@@ -63,7 +63,7 @@
 				<</for>>
 			<</if>>
 			<<set _adjust = _babyDaddy.slavesFathered++>>
-			<<set adjustFatherProperty(_babyDaddy, slavesFathered, _adjust)>>
+			<<set adjustFatherProperty(_babyDaddy, "slavesFathered", _adjust)>>
 		<<else>>
 			<<set _others++>>
 			<<set _fathers.push("some man's")>>
diff --git a/src/pregmod/widgets/seBirthWidgets.tw b/src/pregmod/widgets/seBirthWidgets.tw
index 3dcea780f014834686fefbf4dcfd51e6f8a9f484..de2bec8f2ed23898707212fee2f6dc45c87a13b3 100644
--- a/src/pregmod/widgets/seBirthWidgets.tw
+++ b/src/pregmod/widgets/seBirthWidgets.tw
@@ -317,7 +317,7 @@
 		<<set _babyDaddy = findFather($slaves[$i].curBabies[_cb].fatherID)>>
 		<<if def _babyDaddy>>
 			<<set _adjust = _babyDaddy.slavesFathered++>>
-			<<set adjustFatherProperty(_babyDaddy, slavesFathered, _adjust)>>
+			<<set adjustFatherProperty(_babyDaddy, "slavesFathered", _adjust)>>
 		<</if>>
 	<</if>>
 <</for>>