diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6d82cd880d4adfa44d55a2fbf937cf3c04c215f3..d68dc5b193f488b8f1bfbc547ca81e9e0a52f8a8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -67,6 +67,8 @@ endif()
 #add_custom_target (corsika_pre_build)
 #add_custom_command (TARGET corsika_pre_build PRE_BUILD COMMAND "${PROJECT_SOURCE_DIR}/pre_compile.py")
 
+# add call to do-interaction to run as unit-test-case
+add_test (NAME copyright_notices COMMAND "./do-copyright.py" WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
 
 find_package (Pythia8) # optional