diff --git a/CMakeLists.txt b/CMakeLists.txt
index ae9ed7dd5c3c5ffdf2b18c38b186100f8fa9d0ce..c2bdb2ca625d7ae6b92c1a3c0bbcb196a89c66ec 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -177,7 +177,7 @@ install(PROGRAMS ${CMAKE_BINARY_DIR}/bin/run_test.sh         DESTINATION bin )
 
 install(DIRECTORY cmake
   DESTINATION ${CMAKE_INSTALL_PREFIX}
-  FILES_MATCHING PATTERN "*.cmake" PATTERN "thisdd4hep_package.sh.in" PATTERN "run*.sh"
+  FILES_MATCHING PATTERN "*.cmake" PATTERN "thisdd4hep_package.sh.in" PATTERN "run*.sh" PATTERN "*.cpp"
   PATTERN ".svn" EXCLUDE
   )