diff --git a/source/mijin/virtual_filesystem/mapping.hpp b/source/mijin/virtual_filesystem/mapping.hpp
index 8064ee8..cf8df5c 100644
--- a/source/mijin/virtual_filesystem/mapping.hpp
+++ b/source/mijin/virtual_filesystem/mapping.hpp
@@ -115,7 +115,7 @@ StreamError MappingFileSystemAdapter<TWrapped>::open(const fs::path& path, FileO
 template<typename TWrapped>
 bool MappingFileSystemAdapter<TWrapped>::adjustPath(fs::path& path) const MIJIN_NOEXCEPT
 {
-    if (!path.is_absolute())
+    if (path.empty() || *path.generic_string().c_str() != '/')
     {
         return false;
     }