diff --git a/libopenage/util/fslike/directory.cpp b/libopenage/util/fslike/directory.cpp
index 4143e376e3..617d288324 100644
--- a/libopenage/util/fslike/directory.cpp
+++ b/libopenage/util/fslike/directory.cpp
@@ -293,8 +293,9 @@ std::ostream &Directory::repr(std::ostream &stream) {
 	return stream;
 }
 
-Directory Directory::get_temp_directory() {
-	std::string temp_dir_path = std::filesystem::temp_directory_path() / std::tmpnam(nullptr);
+static Directory get_temp_directory() {
+	std::filesystem::path path = std::filesystem::temp_directory_path() / std::tmpnam(nullptr);
+	std::string temp_dir_path = path.string();
 	bool create = true;
 	Directory directory = Directory(temp_dir_path, create);
 	return directory;