diff --git a/flixel/system/FlxPreloader.hx b/flixel/system/FlxPreloader.hx
index 95a2552ba1..578ae05ff3 100644
--- a/flixel/system/FlxPreloader.hx
+++ b/flixel/system/FlxPreloader.hx
@@ -9,10 +9,10 @@ import flash.text.TextField;
 import flash.text.TextFormat;
 import flixel.FlxG;
 
-@:bitmap("assets/images/preloader/light.png")
+@:keep @:bitmap("assets/images/preloader/light.png")
 private class GraphicLogoLight extends BitmapData {}
 
-@:bitmap("assets/images/preloader/corners.png")
+@:keep @:bitmap("assets/images/preloader/corners.png")
 private class GraphicLogoCorners extends BitmapData {}
 
 /**