diff --git a/src/sdl2/Makefile.cfg b/src/sdl2/Makefile.cfg
index 6d87266d..c729252b 100644
--- a/src/sdl2/Makefile.cfg
+++ b/src/sdl2/Makefile.cfg
@@ -67,7 +67,7 @@ endif
 
 	OBJS+=$(OBJDIR)/i_video.o $(OBJDIR)/dosstr.o $(OBJDIR)/endtxt.o $(OBJDIR)/hwsym_sdl.o
 
-	OPTS+=-DDIRECTFULLSCREEN -DSDL
+	OPTS+=-DDIRECTFULLSCREEN -DHAVE_SDL
 
 ifndef NOHW
 	OBJS+=$(OBJDIR)/r_opengl.o $(OBJDIR)/ogl_sdl.o