diff --git a/engine/CMakeLists.txt b/engine/CMakeLists.txt
index fa8d01b0..9f637582 100644
--- a/engine/CMakeLists.txt
+++ b/engine/CMakeLists.txt
@@ -520,6 +520,8 @@ add_library(XCEngine STATIC
     ${CMAKE_CURRENT_SOURCE_DIR}/include/XCEngine/UI/Text/UITextInputController.h
     ${CMAKE_CURRENT_SOURCE_DIR}/src/UI/Text/UITextEditing.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/src/UI/Text/UITextInputController.cpp
+    ${CMAKE_CURRENT_SOURCE_DIR}/include/XCEngine/UI/Widgets/UIEditorCollectionPrimitives.h
+    ${CMAKE_CURRENT_SOURCE_DIR}/src/UI/Widgets/UIEditorCollectionPrimitives.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/include/XCEngine/UI/Runtime/UIScreenTypes.h
     ${CMAKE_CURRENT_SOURCE_DIR}/include/XCEngine/UI/Runtime/UIScreenDocumentHost.h
     ${CMAKE_CURRENT_SOURCE_DIR}/include/XCEngine/UI/Runtime/UIScreenPlayer.h