diff --git a/1.4/source/RJW_Menstruation/RJW_Menstruation/HediffComps/HediffComp_Menstruation.cs b/1.4/source/RJW_Menstruation/RJW_Menstruation/HediffComps/HediffComp_Menstruation.cs
index bd02050..5a5fa03 100644
--- a/1.4/source/RJW_Menstruation/RJW_Menstruation/HediffComps/HediffComp_Menstruation.cs
+++ b/1.4/source/RJW_Menstruation/RJW_Menstruation/HediffComps/HediffComp_Menstruation.cs
@@ -1650,7 +1650,7 @@ namespace RJW_Menstruation
             }
             catch (ArgumentException e)
             {
-                Log.Warning($"Invalid litterSizeCurve for {Pawn.def}: {e}");
+                Log.WarningOnce($"Invalid litterSizeCurve for {Pawn.def}: {e}", 642201874 + Pawn.thingIDNumber);
                 eggnum = 1f;
             }
             eggnum *= ovulationFactor;