diff --git a/src/bakatools/file_system/file.cpp b/src/bakatools/file_system/file.cpp
index b8b16c2..1e4289a 100644
--- a/src/bakatools/file_system/file.cpp
+++ b/src/bakatools/file_system/file.cpp
@@ -11,7 +11,7 @@ namespace Bk {
         if (exists()) std::filesystem::copy_file(ent.path(), path, opt);
     }
 
-    DataStream File::read(int size)
+    Type::DataStream File::read(int size)
     {
         std::vector<char> data;
         if(exists())
@@ -19,12 +19,12 @@ namespace Bk {
             std::ifstream ifrm(path(), std::ios::binary);
             data.resize(size);
             ifrm.read(data.data(), data.size());
-            return DataStream(data);
+            return Type::DataStream(data);
         }
-        return DataStream();
+        return Type::DataStream();
     }
 
-    bool File::write(DataStream stream)
+    bool File::write(Type::DataStream stream)
     {
         std::ofstream ofrm(ent.path(), std::ios::binary);
         if (!ofrm) return false;
diff --git a/src/bakatools/file_system/file.h b/src/bakatools/file_system/file.h
index 954b5d3..19bc743 100644
--- a/src/bakatools/file_system/file.h
+++ b/src/bakatools/file_system/file.h
@@ -20,8 +20,8 @@ namespace Bk {
             int remove() override;
             void copy(std::string path, CopyOption opt = CopyOption::overwrite_existing) override;
 
-            DataStream read(int size);
-            bool write(DataStream stream);
+            Type::DataStream read(int size);
+            bool write(Type::DataStream stream);
 
             BK_DIR_ENTRY_TYPE(regular)
     };