diff --git a/src/tuxpaint.c b/src/tuxpaint.c
index 1bb398693..6de1893f5 100644
--- a/src/tuxpaint.c
+++ b/src/tuxpaint.c
@@ -22789,7 +22789,7 @@ static int do_color_mix(void)
   SDL_BlitSurface(backup, NULL, screen, NULL);
 
 #ifndef NO_PROMPT_SHADOWS
-  alpha_surf = SDL_CreateRGBSurface(SDL_SWSURFACE | SDL_SRCALPHA,
+  alpha_surf = SDL_CreateRGBSurface(SDL_SWSURFACE,
                                     r_final.w + 8,
                                     r_final.h + 16,
                                     screen->format->BitsPerPixel,
@@ -22799,7 +22799,7 @@ static int do_color_mix(void)
   if (alpha_surf != NULL)
     {
       SDL_FillRect(alpha_surf, NULL, SDL_MapRGB(alpha_surf->format, 0, 0, 0));
-      SDL_SetAlpha(alpha_surf, SDL_SRCALPHA, 64);
+      SDL_SetSurfaceAlphaMod(alpha_surf, 64);
 
       for (i = 8; i > 0; i = i - 2)
         {
@@ -22958,7 +22958,7 @@ static int do_color_mix(void)
               chose = 0;
               done = 1;
             }
-          else if (event.type == SDL_ACTIVEEVENT)
+          else if (event.type == SDL_WINDOWEVENT)
             {
               handle_active(&event);
             }