diff --git a/Userland/Applications/PixelPaint/Image.cpp b/Userland/Applications/PixelPaint/Image.cpp
index 86c691035d..e26cf8cdab 100644
--- a/Userland/Applications/PixelPaint/Image.cpp
+++ b/Userland/Applications/PixelPaint/Image.cpp
@@ -128,7 +128,6 @@ ErrorOr<void> Image::serialize_as_json(JsonObjectSerializer<StringBuilder>& json
     {
         auto json_layers = TRY(json.add_array("layers"sv));
         for (auto const& layer : m_layers) {
-            Gfx::BMPWriter bmp_writer;
             auto json_layer = TRY(json_layers.add_object());
             TRY(json_layer.add("width"sv, layer.size().width()));
             TRY(json_layer.add("height"sv, layer.size().height()));
@@ -138,9 +137,9 @@ ErrorOr<void> Image::serialize_as_json(JsonObjectSerializer<StringBuilder>& json
             TRY(json_layer.add("opacity_percent"sv, layer.opacity_percent()));
             TRY(json_layer.add("visible"sv, layer.is_visible()));
             TRY(json_layer.add("selected"sv, layer.is_selected()));
-            TRY(json_layer.add("bitmap"sv, encode_base64(bmp_writer.dump(layer.content_bitmap()))));
+            TRY(json_layer.add("bitmap"sv, encode_base64(TRY(Gfx::PNGWriter::encode(layer.content_bitmap())))));
             if (layer.is_masked())
-                TRY(json_layer.add("mask"sv, encode_base64(bmp_writer.dump(*layer.mask_bitmap()))));
+                TRY(json_layer.add("mask"sv, encode_base64(TRY(Gfx::PNGWriter::encode(*layer.mask_bitmap())))));
             TRY(json_layer.finish());
         }