diff --git a/main.c b/main.c
index 4521820..00296a9 100644
--- a/main.c
+++ b/main.c
@@ -43,9 +43,12 @@ int main(int argn, char **argv) {
     SDL_Window *window = SDL_CreateWindow("CLFract",
                                            SDL_WINDOWPOS_UNDEFINED,
                                            SDL_WINDOWPOS_UNDEFINED,
-                                           res_x, res_y, 0);
+                                           0, 0,
+                                           SDL_WINDOW_FULLSCREEN_DESKTOP);
 
     SDL_Renderer *renderer = SDL_CreateRenderer(window, -1, 0);
+    SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "linear");  // make the scaled rendering look smoother.
+    SDL_RenderSetLogicalSize(renderer, res_x, res_y);
 
     if ((!window) || (!renderer))
 	    fprintf(stderr,"Could not set video mode: %s\n",SDL_GetError());