diff --git a/cpp/cmake/tests.cmake b/cpp/cmake/tests.cmake
index fbd1b515..c3c14776 100644
--- a/cpp/cmake/tests.cmake
+++ b/cpp/cmake/tests.cmake
@@ -106,6 +106,7 @@ add_dependencies(libloot_tests loot)
 target_link_libraries(libloot_tests PRIVATE loot GTest::gtest_main)
 
 enable_testing()
+gtest_discover_tests(libloot_internals_tests DISCOVERY_TIMEOUT 10)
 gtest_discover_tests(libloot_tests DISCOVERY_TIMEOUT 10)
 
 ##############################