diff --git a/source/duke3d/src/game.cpp b/source/duke3d/src/game.cpp
index a7391627f..e9737cc26 100644
--- a/source/duke3d/src/game.cpp
+++ b/source/duke3d/src/game.cpp
@@ -6378,6 +6378,7 @@ int app_main(int argc, char const * const * argv)
         ud.last_level = (Bstrcpy(ud.rtsname, G_DefaultRtsFile()) == ud.rtsname);
     }
 
+    CONFIG_WriteSetup(1);
     CONFIG_ReadSetup();
 
     RTS_Init(ud.rtsname);