diff --git a/src/saveload/CMakeLists.txt b/src/saveload/CMakeLists.txt
--- a/src/saveload/CMakeLists.txt
+++ b/src/saveload/CMakeLists.txt
@@ -30,6 +30,7 @@ add_files(
     oldloader.h
     oldloader_sl.cpp
     order_sl.cpp
+    randomizer_sl.cpp
     saveload.cpp
     saveload.h
     saveload_filter.h