diff --git a/src/Uno.UWP/Graphics/Imaging/BitmapEncoder.cs b/src/Uno.UWP/Graphics/Imaging/BitmapEncoder.cs
index f35eb1d72180253ef87b181cfdc540d1076eb8cf..9e7f86d89d5e609d12ff2a4ce583621bed583ad1 100644
--- a/src/Uno.UWP/Graphics/Imaging/BitmapEncoder.cs
+++ b/src/Uno.UWP/Graphics/Imaging/BitmapEncoder.cs
@@ -1,4 +1,17 @@
 using System;
+using System.Collections.Generic;
+
+#if __ANDROID__
+using Android.Graphics
+#elif __IOS__
+using Foundation;
+using UIKit;
+#elif __MACOS__
+using Foundation;
+using AppKit;
+#elif __SKIA__
+using SkiaSharp;
+#endif
 
 namespace Windows.Graphics.Imaging;