diff --git a/Source/Editor/Utilities/ViewportIconsRenderer.h b/Source/Editor/Utilities/ViewportIconsRenderer.h
index 1cf162d13..509252795 100644
--- a/Source/Editor/Utilities/ViewportIconsRenderer.h
+++ b/Source/Editor/Utilities/ViewportIconsRenderer.h
@@ -12,7 +12,7 @@ class Actor;
 /// <summary>
 /// Editor viewports icons rendering service.
 /// </summary>
-API_CLASS(Static, Namespace="FlaxEditor") class ViewportIconsRenderer
+API_CLASS(Static, Namespace="FlaxEditor") class FLAXENGINE_API ViewportIconsRenderer
 {
     DECLARE_SCRIPTING_TYPE_NO_SPAWN(ViewportIconsRenderer);