diff --git a/src/pc/gfx/gfx_sdl2.c b/src/pc/gfx/gfx_sdl2.c
index e34086bf..363d9209 100644
--- a/src/pc/gfx/gfx_sdl2.c
+++ b/src/pc/gfx/gfx_sdl2.c
@@ -163,9 +163,13 @@ static void gfx_sdl_init(void) {
     //SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1);
     //SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, 4);
 
-    if (gCLIOpts.FullScreen)
+    if (gCLIOpts.FullScreen == 1)
         configWindow.fullscreen = true;
 
+    if (gCLIOpts.FullScreen == 2)
+        configWindow.fullscreen = false;
+
+
     const char* window_title = 
     #ifndef USE_GLES
     "Super Mario 64 PC port (OpenGL)";