diff --git a/sdl2/main.c b/sdl2/main.c
index 63b7667..4e3f815 100644
--- a/sdl2/main.c
+++ b/sdl2/main.c
@@ -17,7 +17,7 @@ int log_error   = 0;
 int debug_on    = 0;
 int turbo_mode  = 0;
 int use_sound   = 1;
-int fullscreen  = 0; /* SDL_FULLSCREEN */
+int fullscreen  = 0; /* SDL_WINDOW_FULLSCREEN */
 
 struct {
   SDL_Window* window;