diff --git a/src/script/CMakeLists.txt b/src/script/CMakeLists.txt
--- a/src/script/CMakeLists.txt
+++ b/src/script/CMakeLists.txt
@@ -9,6 +9,8 @@ add_files(
     script_config.cpp
     script_config.hpp
     script_fatalerror.hpp
+    script_gui.h
+    script_gui.cpp
     script_info.cpp
     script_info.hpp
     script_info_dummy.cpp