diff --git a/source.list b/source.list
--- a/source.list
+++ b/source.list
@@ -370,6 +370,7 @@ core/random_func.hpp
 core/smallmap_type.hpp
 core/smallvec_type.hpp
 core/sort_func.hpp
+core/string_compare_type.hpp
 
 # GUI Source Code
 aircraft_gui.cpp