diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 3bbd949..8c01ea3 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,5 +1,6 @@
 add_executable(low-level_setup
  main.cpp
+ project.cpp
 )
 
 target_link_libraries(low-level_setup