diff --git a/RJWSexperience/IdeologyAddon/Ideology/Precepts/DefExtension_ModifyFappinMtb.cs b/RJWSexperience/IdeologyAddon/Ideology/Precepts/DefExtension_ModifyFappinMtb.cs
new file mode 100644
index 0000000..8596b28
--- /dev/null
+++ b/RJWSexperience/IdeologyAddon/Ideology/Precepts/DefExtension_ModifyFappinMtb.cs
@@ -0,0 +1,6 @@
+namespace RJWSexperience.Ideology.Precepts
+{
+	public class DefExtension_ModifyFappinMtb : DefExtension_ModifyMtb
+	{
+	}
+}
diff --git a/RJWSexperience/IdeologyAddon/Ideology/RJW_Patch_Ideo.cs b/RJWSexperience/IdeologyAddon/Ideology/RJW_Patch_Ideo.cs
index 36ddb5c..8ad23f8 100644
--- a/RJWSexperience/IdeologyAddon/Ideology/RJW_Patch_Ideo.cs
+++ b/RJWSexperience/IdeologyAddon/Ideology/RJW_Patch_Ideo.cs
@@ -74,6 +74,17 @@ namespace RJWSexperience.Ideology
 		}
 	}
 
+	[HarmonyPatch(typeof(ThinkNode_ChancePerHour_Fappin), "MtbHours")]
+	public static class RJW_Patch_ThinkNode_ChancePerHour_Fappin
+	{
+		public static void Postfix(Pawn pawn, ref float __result)
+		{
+			Ideo ideo = pawn.Ideo;
+			if (ideo != null) // ideo is null if don't have dlc
+				__result *= IdeoUtility.GetPreceptsMtbMultiplier<DefExtension_ModifyFappinMtb>(ideo);
+		}
+	}
+
 	[HarmonyPatch(typeof(xxx), "is_rapist")]
 	public static class RJW_Patch_is_rapist
 	{