diff --git a/Source/UI/Lists/UIChatHisBox.cpp b/Source/UI/Lists/UIChatHisBox.cpp
index 08efa526..1ba9ee69 100644
--- a/Source/UI/Lists/UIChatHisBox.cpp
+++ b/Source/UI/Lists/UIChatHisBox.cpp
@@ -12,6 +12,7 @@
 #include "UI/Text/ItemLinkDisplay.h"
 
 #include <cstring>
+#include <new>
 #include <string>
 
 // OFFSET: 0x00881BB0
@@ -89,3 +90,17 @@ void UIChatHisBox::sub_89C080() {
 
   this->Refresh();
 }
+
+// OFFSET: 0x0086C8D0
+// FUNCTION: fn_11032
+UIChatHisBox::UIChatHisBox(UIWindowContext& windows, UIListBoxContext& list) : UIListBox(windows, list) {
+  new (&this->ItemTags()) std::list<std::vector<UIItemTagButton*>>();
+  this->maxLines = 240;
+  this->lineHeight = 14;
+  this->lines.reserve(240);
+  this->unknown_00E4.reserve(240);
+  this->history.reserve(240);
+  this->unknown_0100.reserve(240);
+  this->unknown_010C.reserve(240);
+  this->unknown_0118.reserve(240);
+}