diff --git a/source/flxgif/FlxGifBackdrop.hx b/source/flxgif/FlxGifBackdrop.hx
index 02df9f7..2e0eb4a 100644
--- a/source/flxgif/FlxGifBackdrop.hx
+++ b/source/flxgif/FlxGifBackdrop.hx
@@ -18,17 +18,18 @@ import openfl.utils.ByteArray;
 /**
  * `FlxGifBackdrop` is made for showing infinitely scrolling gif backgrounds using FlxBackdrop.
  */
+@:nullSafety
 class FlxGifBackdrop extends FlxBackdrop
 {
 	/**
 	 * The Gif Player (warning: can be `null`).
 	 */
-	public var player(default, null):GifPlayer;
+	public var player(default, null):Null<GifPlayer>;
 
 	/**
 	 * The Gif SpriteMap (warning: can be `null`).
 	 */
-	public var map(default, null):GifMap;
+	public var map(default, null):Null<GifMap>;
 
 	/**
 	 * Creates an instance of the `FlxGifBackdrop` class, used to create infinitely scrolling gif backgrounds.
diff --git a/source/flxgif/FlxGifSprite.hx b/source/flxgif/FlxGifSprite.hx
index 12d804b..1f62899 100644
--- a/source/flxgif/FlxGifSprite.hx
+++ b/source/flxgif/FlxGifSprite.hx
@@ -14,17 +14,18 @@ import openfl.utils.ByteArray;
 /**
  * `FlxGifSprite` is made for displaying gif files in HaxeFlixel as sprites.
  */
+@:nullSafety
 class FlxGifSprite extends FlxSprite
 {
 	/**
 	 * The Gif Player (warning: can be `null`).
 	 */
-	public var player(default, null):GifPlayer;
+	public var player(default, null):Null<GifPlayer>;
 
 	/**
 	 * The Gif SpriteMap (warning: can be `null`).
 	 */
-	public var map(default, null):GifMap;
+	public var map(default, null):Null<GifMap>;
 
 	/**
 	 * Creates a `FlxGifSprite` at a specified position with a specified gif.