diff --git a/repertory/repertory_test/main.cpp b/repertory/repertory_test/main.cpp
index 54c4d18b..8e202fe1 100644
--- a/repertory/repertory_test/main.cpp
+++ b/repertory/repertory_test/main.cpp
@@ -21,24 +21,24 @@
 */
 #if defined(PROJECT_ENABLE_BACKWARD_CPP)
 #include "backward.hpp"
-#endif
+#endif // defined(PROJECT_ENABLE_BACKWARD_CPP)
 
 #include "initialize.hpp"
 #include "test_common.hpp"
 #if defined(_WIN32)
 #include "utils/cli_utils.hpp"
-#endif // _WIN32
+#endif // defined(_WIN32)
 
 using namespace repertory;
 
 #if defined(_WIN32)
 std::size_t PROVIDER_INDEX{0U};
-#endif // _WIN32
+#endif // defined(_WIN32)
 
 auto main(int argc, char **argv) -> int {
 #if defined(PROJECT_ENABLE_BACKWARD_CPP)
   static backward::SignalHandling sh;
-#endif
+#endif // defined(PROJECT_ENABLE_BACKWARD_CPP)
 
   if (not repertory::project_initialize()) {
     std::cerr << "fatal: failed to initialize repertory" << std::endl;
@@ -58,7 +58,7 @@ auto main(int argc, char **argv) -> int {
             utils::cli::parse_option(args, "--provider_index", 1U)[0U]) +
         1U);
   }
-#endif // _WIN32
+#endif // defined(_WIN32)
 
   ::testing::InitGoogleTest(&argc, argv);
   auto ret = RUN_ALL_TESTS();