diff --git a/src/conio/ciolib.c b/src/conio/ciolib.c
index 001c7b43088b0f372f85c54cedf7b1807adee214..aa152f8ab3717026b6f0b9257bc5eeed6ea42bc2 100644
--- a/src/conio/ciolib.c
+++ b/src/conio/ciolib.c
@@ -105,8 +105,8 @@ char *ciolib_getcliptext(void);
 #ifdef WITH_SDL
 int try_sdl_init(int mode)
 {
-	if(!sdl_init()) {
-		cio_api.mode=CIOLIB_MODE_SDL;
+	if(!sdl_init(mode)) {
+		cio_api.mode=mode;
 		cio_api.mouse=1;
 		cio_api.puttext=sdl_puttext;
 		cio_api.gettext=sdl_gettext;
@@ -297,6 +297,7 @@ int initciolib(int mode)
 
 #ifdef WITH_SDL
 		case CIOLIB_MODE_SDL:
+		case CIOLIB_MODE_SDL_FULLSCREEN:
 			try_sdl_init(mode);
 			break;
 #endif
diff --git a/src/conio/ciolib.h b/src/conio/ciolib.h
index d3317bc5dfa11732c44eec2611b2cfd6279ba04d..c1ff1d4e84c6a2119e7e3a5ff4bc96c1a0d34317 100644
--- a/src/conio/ciolib.h
+++ b/src/conio/ciolib.h
@@ -45,6 +45,7 @@ enum {
 	,CIOLIB_MODE_X
 	,CIOLIB_MODE_CONIO
 	,CIOLIB_MODE_SDL
+	,CIOLIB_MODE_SDL_FULLSCREEN
 };
 
 #if defined(_WIN32)	/* presumably, Win32 */
diff --git a/src/conio/sdl_con.c b/src/conio/sdl_con.c
index 294f2f6f704ac5a8edaf06c42fd3d1e6eca6e87f..8ba5976365da7a5b9710c9bbadb84125a7052bf9 100644
--- a/src/conio/sdl_con.c
+++ b/src/conio/sdl_con.c
@@ -273,13 +273,16 @@ int sdl_draw_char(unsigned short vch, int xpos, int ypos, int update)
 }
 
 /* Called from main thread only (Passes Event) */
-int sdl_init(void)
+int sdl_init(int mode)
 {
 	vstat.vmem=NULL;
 	vstat.scaling=1;
 
 	sdl_updated=1;
 
+	if(mode==CIOLIB_MODE_SDL_FULLSCREEN)
+		fullscreen=1;
+
 	sdl_init_mode(3);
 
 	atexit(SDL_Quit);
diff --git a/src/conio/sdl_con.h b/src/conio/sdl_con.h
index 3d79222887e33ffac228c5b0f7e652e033c1e88e..caa37f9964266e195f391b255632fc0c795b7451 100644
--- a/src/conio/sdl_con.h
+++ b/src/conio/sdl_con.h
@@ -5,7 +5,7 @@
 extern "C" {
 #endif
 /* Low-Level stuff (Shouldn't be used by ciolib programs */
-int sdl_init(void);
+int sdl_init(int mode);
 int sdl_load_font(char *filename, int width, int height, double scale);
 int sdl_init_mode(int mode);
 int sdl_setup_colours(void);