diff --git a/Source/Engine/Graphics/Models/MeshAccessor.h b/Source/Engine/Graphics/Models/MeshAccessor.h
index 67b30e502..25fc01a1a 100644
--- a/Source/Engine/Graphics/Models/MeshAccessor.h
+++ b/Source/Engine/Graphics/Models/MeshAccessor.h
@@ -17,7 +17,7 @@ public:
     /// <summary>
     /// Mesh data stream.
     /// </summary>
-    struct Stream
+    struct FLAXENGINE_API Stream
     {
         friend MeshAccessor;