diff --git a/Source/UI/Edit/UIEditCtrl.cpp b/Source/UI/Edit/UIEditCtrl.cpp
index b2834fc2..95fecae7 100644
--- a/Source/UI/Edit/UIEditCtrl.cpp
+++ b/Source/UI/Edit/UIEditCtrl.cpp
@@ -80,6 +80,7 @@
 #include "Utility/Text/GroupedInteger.h"
 #include "Client/Mode/ModeTooltip.h"
 #include "Contents/Configuration/ServiceConfiguration.h"
+#include "Contents/Configuration/ServiceOptions.h"
 #include "Contents/Items/ItemNaming.h"
 #include "Contents/PlayerNameDictionary.h"
 #include "Contents/UserData/CharacterConfigSave.h"
@@ -1686,6 +1687,15 @@ void UIItemWnd::Slot19() {
   }
 }
 
+// OFFSET: 0x00995780
+// FUNCTION: fn_45470
+void UIItemWnd::RefreshOptionBox() {
+  UIWindow* optionBox = this->optionBox;
+  optionBox->geometry.unknown_0030 = g_serviceOptions.Get(0x108);
+  optionBox->Invalidate();
+  this->Invalidate();
+}
+
 // OFFSET: 0x009886D0
 // FUNCTION: fn_13387
 void UIMerchantItemMyShopWnd::Slot19() {
diff --git a/Source/UI/Item/UIItemWnd.h b/Source/UI/Item/UIItemWnd.h
index c6266600..da568861 100644
--- a/Source/UI/Item/UIItemWnd.h
+++ b/Source/UI/Item/UIItemWnd.h
@@ -21,6 +21,7 @@ public:
   ITEM_INFO GetItemAt(int x, int y);
   void ReleaseSelection(unsigned char keep);
   void DrawNewItemMark(int x, int y);
+  void RefreshOptionBox();
 
   /* 00F0 */ ItemWndInfo* saved;
   /* 00F4 */ unsigned char unknown_00F4[0xC];
@@ -31,7 +32,8 @@ public:
   /* 0110 */ int unknown_0110;
   /* 0114 */ unsigned char unknown_0114[0x4];
   /* 0118 */ UITabControl* tabs;
-  /* 011C */ unsigned char unknown_011C[0xC];
+  /* 011C */ UIWindow* optionBox;
+  /* 0120 */ unsigned char unknown_0120[0x8];
   /* 0128 */ UIWindow* unknown_0128;
 };