diff --git a/test/testsprite2.c b/test/testsprite2.c
index 9650b7710..8a8f08b9a 100644
--- a/test/testsprite2.c
+++ b/test/testsprite2.c
@@ -58,6 +58,21 @@ LoadSprite(char *file)
     /* Set transparent pixel as the pixel at (0,0) */
     if (temp->format->palette) {
         SDL_SetColorKey(temp, SDL_SRCCOLORKEY, *(Uint8 *) temp->pixels);
+    } else {
+        switch (temp->format->BitsPerPixel) {
+        case 15:
+            SDL_SetColorKey(temp, SDL_SRCCOLORKEY, (*(Uint16 *) temp->pixels) & 0x00007FFF);
+            break;
+        case 16:
+            SDL_SetColorKey(temp, SDL_SRCCOLORKEY, *(Uint16 *) temp->pixels);
+            break;
+        case 24:
+            SDL_SetColorKey(temp, SDL_SRCCOLORKEY, (*(Uint32 *) temp->pixels) & 0x00FFFFFF);
+            break;
+        case 32:
+            SDL_SetColorKey(temp, SDL_SRCCOLORKEY, *(Uint32 *) temp->pixels);
+            break;
+        }
     }
 
     /* Create textures from the image */