diff --git a/cmake/sample_project_fetch_project_options.cmake b/cmake/sample_project_fetch_project_options.cmake
index 291c474..4e83b39 100644
--- a/cmake/sample_project_fetch_project_options.cmake
+++ b/cmake/sample_project_fetch_project_options.cmake
@@ -14,8 +14,10 @@ macro(fetch_project_options git_repository git_tag)
     GIT_TAG ${git_tag}
     GIT_SHALLOW true
     GIT_SUBMODULES ""
+    SOURCE_SUBDIR this-directory-does-not-exist # Avoid add_subdirectory automatically
   )
   FetchContent_MakeAvailable(_sample_project_project_options)
+  include(${_sample_project_project_options_SOURCE_DIR}/src/Index.cmake)
   include(${_sample_project_project_options_SOURCE_DIR}/src/DynamicProjectOptions.cmake)
 endmacro()