diff --git a/RJWSexperience/IdeologyAddon/Ideology/RJW_Patch_Ideo.cs b/RJWSexperience/IdeologyAddon/Ideology/RJW_Patch_Ideo.cs
index 6194cdc..c7c7c38 100644
--- a/RJWSexperience/IdeologyAddon/Ideology/RJW_Patch_Ideo.cs
+++ b/RJWSexperience/IdeologyAddon/Ideology/RJW_Patch_Ideo.cs
@@ -144,8 +144,11 @@ namespace RJWSexperience.Ideology
             xxx.rjwSextype sextype = props.sexType;
 
             //Log.Message("Aftersex " + pawn.Label + ": " + sextype);
-            if (xxx.is_human(pawn)) AfterSexHuman(pawn, partner, usedCondom, rape, isCoreLovin, sextype);
-            else if (xxx.is_human(partner)) AfterSexHuman(partner, pawn, usedCondom, false, isCoreLovin, sextype, true);
+            if (partner != null)
+            {
+                if (xxx.is_human(pawn)) AfterSexHuman(pawn, partner, usedCondom, rape, isCoreLovin, sextype);
+                else if (xxx.is_human(partner)) AfterSexHuman(partner, pawn, usedCondom, false, isCoreLovin, sextype, true);
+            }
 
         }
 
diff --git a/RJWSexperience_Ideology/Assemblies/RJWSexperience.Ideology.dll b/RJWSexperience_Ideology/Assemblies/RJWSexperience.Ideology.dll
index 01650fa..05346b8 100644
Binary files a/RJWSexperience_Ideology/Assemblies/RJWSexperience.Ideology.dll and b/RJWSexperience_Ideology/Assemblies/RJWSexperience.Ideology.dll differ
diff --git a/changelogs.txt b/changelogs.txt
index abdabee..119a9c9 100644
--- a/changelogs.txt
+++ b/changelogs.txt
@@ -3,9 +3,10 @@ Version Beta 1.0.2.0
  - added sex history
  - 
 
+Version Beta 1.0.1.11b
+ - fixed erros on masturbations
 Version Beta 1.0.1.11a
  - fixed errors on gangbang rituals
-
 Version Beta 1.0.1.11
  - requires RimWorld 1.3.3117 or later
  - requires RJW 4.8.1 or later