diff --git a/common/video/vulkan/slang_preset_ini.cpp b/common/video/vulkan/slang_preset_ini.cpp
index e8c570a0..c44917bf 100644
--- a/common/video/vulkan/slang_preset_ini.cpp
+++ b/common/video/vulkan/slang_preset_ini.cpp
@@ -26,7 +26,8 @@ static std::string trim_quotes(std::string str)
 bool IniFile::load_file(std::string filename)
 {
     std::ifstream file;
-    file.open(filename, std::ios_base::binary);
+    // Windows ifstream wrapper wants c_str
+    file.open(filename.c_str(), std::ios_base::binary);
     if (!file.is_open())
     {
         printf("No file %s\n", filename.c_str());