diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2c6965f..0eea7d8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -188,7 +188,28 @@ add_subdirectory(lib/da_threading EXCLUDE_FROM_ALL)
     endif(NOT CMAKE_EXE_LINKER_FLAGS MATCHES "-fuse-ld=lld")
   endif()
 
-add_executable(fortuna main.cpp generator.cpp generator.h fortuna.cpp fortuna.h accumulator.cpp accumulator.h pool.cpp pool.h event_adder.h event_adder_impl.h event_scheduler.h entropy_src.h urandom_entropy_src.h do_task.cpp do_task.h util.h seed_file_management.h)
+
+set(FORTUNA_SOURCES
+  main.cpp
+  fortuna.cpp
+  generator.cpp
+  accumulator.cpp
+  pool.cpp
+  do_task.cpp)
+set(FORTUNA_HEADERS
+  fortuna.h
+  generator.h
+  accumulator.h
+  pool.h
+  do_task.h
+  event_adder.h
+  event_adder_impl.h
+  event_scheduler.h
+  entropy_src.h
+  urandom_entropy_src.h
+  util.h
+  seed_file_management.h)
+add_executable(fortuna ${FORTUNA_SOURCES} ${FORTUNA_HEADERS})
 # ref: https://cmake.org/pipermail/cmake/2016-May/063400.html
 target_link_libraries(fortuna
     PRIVATE cryptopp