diff --git a/source/mijin/virtual_filesystem/memory.hpp b/source/mijin/virtual_filesystem/memory.hpp
index b5c465d..c7736bc 100644
--- a/source/mijin/virtual_filesystem/memory.hpp
+++ b/source/mijin/virtual_filesystem/memory.hpp
@@ -21,8 +21,8 @@ struct MemoryFile
 };
 struct MemoryFolder
 {
-    VectorMap<std::string, MemoryFile> files;
-    VectorMap<std::string, MemoryFolder> folders;
+    VectorMap<std::string, MemoryFile, std::allocator<std::string>, std::allocator<MemoryFile>> files; // TODO: make the FS library allocator aware
+    VectorMap<std::string, MemoryFolder, std::allocator<std::string>, std::allocator<MemoryFolder>> folders;
 };
 }