diff --git a/1.4/Assemblies/RJW_Menstruation.dll b/1.4/Assemblies/RJW_Menstruation.dll
index c6ae6ba..d60cc47 100644
Binary files a/1.4/Assemblies/RJW_Menstruation.dll and b/1.4/Assemblies/RJW_Menstruation.dll differ
diff --git a/1.4/source/RJW_Menstruation/RJW_Menstruation/Configurations.cs b/1.4/source/RJW_Menstruation/RJW_Menstruation/Configurations.cs
index 3d2f167..d450c4d 100644
--- a/1.4/source/RJW_Menstruation/RJW_Menstruation/Configurations.cs
+++ b/1.4/source/RJW_Menstruation/RJW_Menstruation/Configurations.cs
@@ -202,7 +202,7 @@ namespace RJW_Menstruation
             Scribe_Values.Look(ref EstrusAttractivenessToHookup, "EstrusAttractivenessToHookup", EstrusAttractivenessToHookup, true);
             Scribe_Values.Look(ref EstrusRelationshipToHookup, "EstrusRelationshipToHookup", EstrusRelationshipToHookup, true);
             Scribe_Values.Look(ref PregnancySource, "PregnancySource", PregnancySource, true);
-            Scribe_Values.Look(ref EnableBiotechTwins, "EnableBiotechTwins", EnableBiotechTwins, false);    // Don't force save this, for now
+            Scribe_Values.Look(ref EnableBiotechTwins, "EnableBiotechTwins", EnableBiotechTwins, true);
             Scribe_Values.Look(ref EnableHeteroOvularTwins, "EnableHeteroOvularTwins", EnableHeteroOvularTwins, true);
             Scribe_Values.Look(ref EnableEnzygoticTwins, "EnableEnzygoticTwins", EnableEnzygoticTwins, true);
             Scribe_Values.Look(ref EnzygoticTwinsChance, "EnzygoticTwinsChance", EnzygoticTwinsChance, true);