diff --git a/Code/Framework/AzCore/AzCore/azcore_files.cmake b/Code/Framework/AzCore/AzCore/azcore_files.cmake
index d106b5b12f..1ea86c7b93 100644
--- a/Code/Framework/AzCore/AzCore/azcore_files.cmake
+++ b/Code/Framework/AzCore/AzCore/azcore_files.cmake
@@ -25,6 +25,7 @@ set(FILES
     Asset/AssetJsonSerializer.h
     Asset/AssetManager.cpp
     Asset/AssetManager.h
+    Asset/AssetManager_private.h
     Asset/AssetManagerBus.h
     Asset/AssetManagerComponent.cpp
     Asset/AssetManagerComponent.h