diff --git a/tests/ImageSharp.Tests/Formats/Png/PngDecoderTests.cs b/tests/ImageSharp.Tests/Formats/Png/PngDecoderTests.cs
index c3c2cf23e2..8162d61bd2 100644
--- a/tests/ImageSharp.Tests/Formats/Png/PngDecoderTests.cs
+++ b/tests/ImageSharp.Tests/Formats/Png/PngDecoderTests.cs
@@ -77,6 +77,8 @@ namespace SixLabors.ImageSharp.Tests
 
             TestImages.Png.Bad.ChunkLength2,
             TestImages.Png.VimImage2,
+
+            TestImages.Png.Rgb24BppTrans,
         };
 
         public static readonly string[] TestImages48Bpp =
@@ -88,6 +90,7 @@ namespace SixLabors.ImageSharp.Tests
         public static readonly string[] TestImages64Bpp =
 {
             TestImages.Png.Rgba64Bpp,
+            TestImages.Png.Rgb48BppTrans
         };
 
         public static readonly string[] TestImagesGray16Bit =
diff --git a/tests/ImageSharp.Tests/TestImages.cs b/tests/ImageSharp.Tests/TestImages.cs
index d965b01d74..8722c8b48a 100644
--- a/tests/ImageSharp.Tests/TestImages.cs
+++ b/tests/ImageSharp.Tests/TestImages.cs
@@ -30,13 +30,15 @@ namespace SixLabors.ImageSharp.Tests
             public const string Gray16Bit = "Png/gray-16.png";
             public const string GrayAlpha16Bit = "Png/gray-alpha-16.png";
             public const string GrayTrns16Bit = "Png/gray-16-tRNS.png";
+            public const string Rgb24BppTrans = "Png/rgb-8-tRNS.png";
             public const string Rgb48Bpp = "Png/rgb-48bpp.png";
+            public const string Rgb48BppInterlaced = "Png/rgb-48bpp-interlaced.png";
+            public const string Rgb48BppTrans = "Png/rgb-16-tRNS.png";
             public const string Rgba64Bpp = "Png/rgb-16-alpha.png";
             public const string CalliphoraPartial = "Png/CalliphoraPartial.png";
             public const string CalliphoraPartialGrayscale = "Png/CalliphoraPartialGrayscale.png";
             public const string Bike = "Png/Bike.png";
             public const string BikeGrayscale = "Png/BikeGrayscale.png";
-            public const string Rgb48BppInterlaced = "Png/rgb-48bpp-interlaced.png";
             public const string SnakeGame = "Png/SnakeGame.png";
             public const string Icon = "Png/icon.png";
             public const string Kaboom = "Png/kaboom.png";
diff --git a/tests/Images/Input/Png/gray-16-tRNS.png b/tests/Images/Input/Png/gray-16-tRNS.png
index 4826d61eb7..4b7537e305 100644
Binary files a/tests/Images/Input/Png/gray-16-tRNS.png and b/tests/Images/Input/Png/gray-16-tRNS.png differ
diff --git a/tests/Images/Input/Png/rgb-16-tRNS.png b/tests/Images/Input/Png/rgb-16-tRNS.png
new file mode 100644
index 0000000000..64a9cdf2f7
Binary files /dev/null and b/tests/Images/Input/Png/rgb-16-tRNS.png differ
diff --git a/tests/Images/Input/Png/rgb-8-tRNS.png b/tests/Images/Input/Png/rgb-8-tRNS.png
new file mode 100644
index 0000000000..08ebbae2c8
Binary files /dev/null and b/tests/Images/Input/Png/rgb-8-tRNS.png differ