diff --git a/Source/UI/Buttons/UIBmpRadioBtn.h b/Source/UI/Buttons/UIBmpRadioBtn.h
index 4bcf6775..1b8081db 100644
--- a/Source/UI/Buttons/UIBmpRadioBtn.h
+++ b/Source/UI/Buttons/UIBmpRadioBtn.h
@@ -47,6 +47,7 @@ protected:
 
 class UIBmpRadioBtn2 : public UIBmpRadioBtn {
 public:
+  void Invalidate() override;
   void Slot47() override;
   void Slot48() override;
 };
diff --git a/Source/UI/Buttons/UITextButton.cpp b/Source/UI/Buttons/UITextButton.cpp
index 910032d6..c7c0ddee 100644
--- a/Source/UI/Buttons/UITextButton.cpp
+++ b/Source/UI/Buttons/UITextButton.cpp
@@ -350,6 +350,16 @@ void UIBmpRadioBtn::AddText(int id, int height, std::uint32_t color, bool bold,
   this->m_texts.push_back(text);
 }
 
+// OFFSET: 0x008816B0
+// FUNCTION: fn_11298
+void UIBmpRadioBtn2::Invalidate() {
+  UIWindow::Invalidate();
+
+  if (this->parent != nullptr && !this->parent->IsCached()) {
+    this->parent->SendMsg(this, 60, 0, 0, 0, 0);
+  }
+}
+
 // OFFSET: 0x007C7CA0
 // FUNCTION: fn_09408
 void UIBmpRadioBtn2::Slot47() {
diff --git a/Source/UI/Window/UIWindow.h b/Source/UI/Window/UIWindow.h
index 278967ce..0c7149b4 100644
--- a/Source/UI/Window/UIWindow.h
+++ b/Source/UI/Window/UIWindow.h
@@ -212,6 +212,10 @@ public:
     return this->unknown_0048;
   }
 
+  bool IsCached() const {
+    return this->m_cached != 0;
+  }
+
   /* 0010 */ UIWindow* parent;
   /* 0014 */ WindowGeometry geometry;