diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2042b1490684c08e908ddcd9b99e8e76e9436179..9d700a34a01a9c17d2128d8c8062c78c9cebf1e1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -320,7 +320,7 @@ add_subdirectory(tools)
 # magic is done
 add_subdirectory(deployment)
 
-set(FILES_TO_BE_REMOVED ${CMAKE_SOURCE_DIR}/stage tests)
+set(FILES_TO_BE_REMOVED ${PROJECT_BINARY_DIR}/stage tests)
 set_directory_properties(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES
                              "${FILES_TO_BE_REMOVED}")