diff --git a/1.3/Assemblies/RJW_Menstruation.dll b/1.3/Assemblies/RJW_Menstruation.dll
index 01f25cb..bb410bf 100644
Binary files a/1.3/Assemblies/RJW_Menstruation.dll and b/1.3/Assemblies/RJW_Menstruation.dll differ
diff --git a/1.3/source/RJW_Menstruation/RJW_Menstruation/Hediff_MultiplePregnancy.cs b/1.3/source/RJW_Menstruation/RJW_Menstruation/Hediff_MultiplePregnancy.cs
index 0383fa1..134e7b0 100644
--- a/1.3/source/RJW_Menstruation/RJW_Menstruation/Hediff_MultiplePregnancy.cs
+++ b/1.3/source/RJW_Menstruation/RJW_Menstruation/Hediff_MultiplePregnancy.cs
@@ -492,7 +492,7 @@ namespace RJW_Menstruation
             string MotherRaceName = "";
             string FatherRaceName = "";
             MotherRaceName = mother.kindDef?.race?.defName;
-            PawnKindDef tmp = spawn_kind_def;
+            PawnKindDef non_hybrid_kind_def = spawn_kind_def;
             if (father != null)
                 FatherRaceName = father.kindDef?.race?.defName;
 
@@ -507,7 +507,7 @@ namespace RJW_Menstruation
             {
                 if (!Configurations.UseHybridExtention || spawn_kind_def == null)
                 {
-                    spawn_kind_def = tmp;
+                    spawn_kind_def = non_hybrid_kind_def;
                     var groups = DefDatabase<RaceGroupDef>.AllDefs.Where(x => !(x.hybridRaceParents.NullOrEmpty() || x.hybridChildKindDef.NullOrEmpty()));
 
 
diff --git a/1.3/source/RJW_Menstruation/RJW_Menstruation/Things.cs b/1.3/source/RJW_Menstruation/RJW_Menstruation/Things.cs
index f952be8..77dbbd2 100644
--- a/1.3/source/RJW_Menstruation/RJW_Menstruation/Things.cs
+++ b/1.3/source/RJW_Menstruation/RJW_Menstruation/Things.cs
@@ -50,9 +50,13 @@ namespace RJW_Menstruation
             {
                 string key = hybridInfo.RandomElementByWeight(x => x.Value).Key;
                 res = DefDatabase<PawnKindDef>.GetNamedSilentFail(key);
-                if (res == null) res = DefDatabase<ThingDef>.GetNamedSilentFail(key).race.AnyPawnKind;
+                if (res == null) res = DefDatabase<ThingDef>.GetNamedSilentFail(key)?.race?.AnyPawnKind;
 
-                if (res == null) hybridInfo.Remove(key);
+                if (res == null)
+                {
+                    Log.Warning($"Could not find pawnKind or race {key}, removing hybrid definition");
+                    hybridInfo.Remove(key);
+                }
             } while (res == null && !hybridInfo.EnumerableNullOrEmpty());
 
             return res;