diff --git a/Source/Client/Application/ErrorDialog.cpp b/Source/Client/Application/ErrorDialog.cpp
index 6540e49..f8758e2 100644
--- a/Source/Client/Application/ErrorDialog.cpp
+++ b/Source/Client/Application/ErrorDialog.cpp
@@ -1,6 +1,14 @@
 #include "Client/Application/ErrorDialog.h"
+#include "Render/DeviceContext/DCSurface.h"
 #include "Render/RenderSystemBase.h"
 
+// OFFSET: 0x00AD6320
+// FUNCTION: fn_17827
+int ShowErrorDialog(const std::string& text, const UINT& type) {
+  GetRenderSystemHolder()->PrepareErrorDialog();
+  return MessageBoxA(nullptr, text.c_str(), "Error", type);
+}
+
 // OFFSET: 0x00AD6360
 // FUNCTION: fn_17828
 int ShowErrorDialog(CRenderSystemBase* renderSystem, const char* text, UINT type) {
@@ -10,3 +18,5 @@ int ShowErrorDialog(CRenderSystemBase* renderSystem, const char* text, UINT type
 
   return MessageBoxA(nullptr, text, "Error", type);
 }
+
+// OFFSET: 0x00AD6390
diff --git a/Source/Client/Application/ErrorDialog.h b/Source/Client/Application/ErrorDialog.h
index 38dc35f..be58e98 100644
--- a/Source/Client/Application/ErrorDialog.h
+++ b/Source/Client/Application/ErrorDialog.h
@@ -1,10 +1,13 @@
 #ifndef RAGNAROK_SOURCE_CLIENT_APPLICATION_ERRORDIALOG_H
 #define RAGNAROK_SOURCE_CLIENT_APPLICATION_ERRORDIALOG_H
 
+#include <string>
 #include <windows.h>
 
 class CRenderSystemBase;
 
+int ShowErrorDialog(const std::string& text, const UINT& type);
 int ShowErrorDialog(CRenderSystemBase* renderSystem, const char* text, UINT type);
+int ShowErrorDialog(int code);
 
 #endif