diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
index 2d86bcde5..12f709b52 100644
--- a/examples/CMakeLists.txt
+++ b/examples/CMakeLists.txt
@@ -91,5 +91,6 @@ add_example(thread_function_ex)
 add_example(thread_pool_ex)
 add_example(threads_ex)
 add_example(timer_ex)
+add_example(train_object_detector)
 add_example(using_custom_kernels_ex)
 add_example(xml_parser_ex)