diff --git a/PregnancyPlus/PregnancyPlus.Core/Hooks/PPPlugin.Hooks.Accessory.cs b/PregnancyPlus/PregnancyPlus.Core/Hooks/PPPlugin.Hooks.Accessory.cs
index a6525cd..6b04662 100644
--- a/PregnancyPlus/PregnancyPlus.Core/Hooks/PPPlugin.Hooks.Accessory.cs
+++ b/PregnancyPlus/PregnancyPlus.Core/Hooks/PPPlugin.Hooks.Accessory.cs
@@ -104,7 +104,7 @@ public static void ChangeCopyAcsPostfix(CvsAccessoryChange __instance)
                 var controller = GetCharaController(chaControl);
                 if (controller == null) return;
 
-                var slotNum = __instance.selDst;
+                var slotNum = (int)AccessTools.Field(typeof(CvsAccessoryChange), "selDst").GetValue(__instance);
                 controller.AccessoryStateChangeEvent(chaControl.chaID, slotNum); 
             }