diff --git a/OptiScaler/Util.cpp b/OptiScaler/Util.cpp
index 9d7b6ad2..ef85b906 100644
--- a/OptiScaler/Util.cpp
+++ b/OptiScaler/Util.cpp
@@ -376,7 +376,7 @@ std::optional<std::filesystem::path> Util::FindFilePath(const std::filesystem::p
 
     // 3) Unreal-Engine/WinGDK fallback: check for Win64 or WinGDK in parent
     std::filesystem::path parent = startDir.parent_path().parent_path();
-    for (const char* folder : { "Win64", "WinGDK" })
+    for (const char* folder : { "Win64", "WinGDK", "Win64MasterMasterSteamPGO" })
     {
         if (std::filesystem::exists(parent / folder) && std::filesystem::is_directory(parent / folder))
         {