diff --git a/Kiseki.Patcher/Source/Hooks/CRoblox.cpp b/Kiseki.Patcher/Source/Hooks/CRoblox.cpp
index 6729493..8c479a3 100644
--- a/Kiseki.Patcher/Source/Hooks/CRoblox.cpp
+++ b/Kiseki.Patcher/Source/Hooks/CRoblox.cpp
@@ -29,17 +29,17 @@ BOOL __fastcall CRobloxApp__InitInstance_hook(CRobloxApp* _this)
 #ifdef _DEBUG
     if (!hasAuthenticationUrl)
     {
-        MessageBoxA(nullptr, "Missing authentication URL", "Kiseki", MB_OK | MB_ICONERROR);
+        MessageBoxW(nullptr, L"Missing authentication URL", L"Kiseki", MB_OK | MB_ICONERROR);
     }
 
     if (!hasAuthenticationTicket)
     {
-        MessageBoxA(nullptr, "Missing authentication ticket", "Kiseki", MB_OK | MB_ICONERROR);
+        MessageBoxW(nullptr, L"Missing authentication ticket", L"Kiseki", MB_OK | MB_ICONERROR);
     }
 
     if (!hasJoinScriptUrl)
     {
-        MessageBoxA(nullptr, "Missing join script URL", "Kiseki", MB_OK | MB_ICONERROR);
+        MessageBoxW(nullptr, L"Missing join script URL", L"Kiseki", MB_OK | MB_ICONERROR);
     }
 #endif
 
@@ -54,7 +54,7 @@ BOOL __fastcall CRobloxApp__InitInstance_hook(CRobloxApp* _this)
     if (!hasJobId)
     {
 #ifdef _DEBUG
-        MessageBoxA(nullptr, "Missing job ID", "Kiseki", MB_OK | MB_ICONERROR);
+        MessageBoxW(nullptr, L"Missing job ID", L"Kiseki", MB_OK | MB_ICONERROR);
 #endif
         return FALSE;
     }
diff --git a/Kiseki.Patcher/Source/main.cpp b/Kiseki.Patcher/Source/main.cpp
index e2cf590..9d03ba3 100644
--- a/Kiseki.Patcher/Source/main.cpp
+++ b/Kiseki.Patcher/Source/main.cpp
@@ -53,8 +53,8 @@ BOOL APIENTRY DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserv
         if (patchesError != NO_ERROR)
         {
 #ifdef _DEBUG
-            std::string message = "Patches::Apply returned " + std::to_string(patchesError);
-            MessageBoxA(nullptr, message.c_str(), nullptr, MB_ICONERROR);
+            std::wstring message = "Patches::Apply returned " + std::to_string(patchesError);
+            MessageBoxW(nullptr, message, nullptr, MB_ICONERROR);
 #endif
 
             ExitProcess(EXIT_FAILURE);
@@ -64,8 +64,8 @@ BOOL APIENTRY DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserv
         if (curlError != CURLE_OK)
         {
 #ifdef _DEBUG
-            std::string message = "curl_global_init returned " + std::to_string(curlError);
-            MessageBoxA(nullptr, message.c_str(), nullptr, MB_ICONERROR);
+            std::wstring message = "curl_global_init returned " + std::to_string(curlError);
+            MessageBoxW(nullptr, message, nullptr, MB_ICONERROR);
 #endif
 
             ExitProcess(EXIT_FAILURE);