diff --git a/src/common/config.cpp b/src/common/config.cpp
index e0a348fbe..b130f7a1e 100644
--- a/src/common/config.cpp
+++ b/src/common/config.cpp
@@ -842,7 +842,7 @@ void load(const std::filesystem::path& path) {
         m_window_size_H = toml::find_or<int>(gui, "mw_height", 0);
 
         const auto install_dir_array =
-            toml::find_or<std::vector<std::string>>(gui, "installDirs", {});
+            toml::find_or<std::vector<std::u8string>>(gui, "installDirs", {});
 
         try {
             install_dirs_enabled = toml::find<std::vector<bool>>(gui, "installDirsEnabled");
diff --git a/src/qt_gui/settings_dialog.cpp b/src/qt_gui/settings_dialog.cpp
index d789f6f48..383cad8fa 100644
--- a/src/qt_gui/settings_dialog.cpp
+++ b/src/qt_gui/settings_dialog.cpp
@@ -817,7 +817,7 @@ void SettingsDialog::ResetInstallFolders() {
     if (data.contains("GUI")) {
         const toml::value& gui = data.at("GUI");
         const auto install_dir_array =
-            toml::find_or<std::vector<std::string>>(gui, "installDirs", {});
+            toml::find_or<std::vector<std::u8string>>(gui, "installDirs", {});
 
         std::vector<bool> install_dirs_enabled;
         try {