--- sdl_sopwith-1.7.1/src/swmain.h
+++ sdl_sopwith-1.7.1.new/src/swmain.h
@@ -46,7 +46,7 @@
 extern int     targrnge;
 extern BOOL    hires;
 extern BOOL    disppos;
-extern BOOL    titleflg;
+static BOOL    titleflg;
 extern int     dispdbg;
 extern BOOL    soundflg;
 extern BOOL    repflag;