diff --git a/Source/UI/AdventureGuide/UIAdventureGuide.cpp b/Source/UI/AdventureGuide/UIAdventureGuide.cpp
index 1322c878..98ce6a40 100644
--- a/Source/UI/AdventureGuide/UIAdventureGuide.cpp
+++ b/Source/UI/AdventureGuide/UIAdventureGuide.cpp
@@ -845,7 +845,8 @@ void CUIQuest::Slot54(int type, int id) {
 // FUNCTION: fn_14353
 void CUITab::SetSelected(bool selected) {
   CUIListItem::SetSelected(selected);
-  const bool expand = selected && this->subTabs && !this->subTabs->geometry.visible;
+  volatile bool selectedState = selected;
+  const bool expand = selectedState && this->subTabs && !this->subTabs->geometry.visible;
   if (this->subTabs) {
     this->subTabs->Show(expand);
   }
@@ -2017,6 +2018,8 @@ AdventureGuide::CUISubTab* CUIListBox<AdventureGuide::CUISubTab>::CreateItem() {
   return item;
 }
 
+// OFFSET: 0x009DB4B0
+
 namespace AdventureGuide {
 
 // OFFSET: 0x009DB720
diff --git a/Source/UI/Lists/UIListBoxTemplate.h b/Source/UI/Lists/UIListBoxTemplate.h
index 0c29dbd9..4f247272 100644
--- a/Source/UI/Lists/UIListBoxTemplate.h
+++ b/Source/UI/Lists/UIListBoxTemplate.h
@@ -62,6 +62,9 @@ public:
 
 class CUITab : public CUIListItem {
 public:
+  // INLINED
+  CUITab() : CUIListItem(), unknown_00E8(nullptr), subTabs(nullptr), unknown_00F0(), type(7), page(nullptr), unknown_0110(0) {
+  }
   explicit CUITab(UIWindowContext& context);
   void Slot15(int width, int height) override;
   void Slot16() override;