diff --git a/src/ImageSharp/Formats/WebP/AlphaDecoder.cs b/src/ImageSharp/Formats/WebP/AlphaDecoder.cs
index edb72564e2..fc071095b8 100644
--- a/src/ImageSharp/Formats/WebP/AlphaDecoder.cs
+++ b/src/ImageSharp/Formats/WebP/AlphaDecoder.cs
@@ -61,7 +61,7 @@ namespace SixLabors.ImageSharp.Formats.WebP
                 var bitReader = new Vp8LBitReader(data);
                 this.LosslessDecoder = new WebPLosslessDecoder(bitReader, memoryAllocator, configuration);
                 this.LosslessDecoder.DecodeImageStream(this.Vp8LDec, width, height, true);
-                this.Use8BDecode = Is8BOptimizable(this.Vp8LDec.Metadata);
+                this.Use8BDecode = this.Vp8LDec.Transforms.Count > 0 && Is8BOptimizable(this.Vp8LDec.Metadata);
             }
         }
 
diff --git a/tests/ImageSharp.Tests/Formats/WebP/WebPDecoderTests.cs b/tests/ImageSharp.Tests/Formats/WebP/WebPDecoderTests.cs
index 3eb51a597c..87af15ef37 100644
--- a/tests/ImageSharp.Tests/Formats/WebP/WebPDecoderTests.cs
+++ b/tests/ImageSharp.Tests/Formats/WebP/WebPDecoderTests.cs
@@ -181,6 +181,7 @@ namespace SixLabors.ImageSharp.Tests.Formats.WebP
         [WithFile(Lossy.Alpha1, PixelTypes.Rgba32)]
         [WithFile(Lossy.Alpha2, PixelTypes.Rgba32)]
         [WithFile(Lossy.Alpha3, PixelTypes.Rgba32)]
+        [WithFile(Lossy.AlphaThinkingSmiley, PixelTypes.Rgba32)]
         public void WebpDecoder_CanDecode_Lossy_WithAlpha<TPixel>(TestImageProvider<TPixel> provider)
             where TPixel : unmanaged, IPixel<TPixel>
         {
diff --git a/tests/ImageSharp.Tests/TestImages.cs b/tests/ImageSharp.Tests/TestImages.cs
index 67ef6cef35..6be4d3dc71 100644
--- a/tests/ImageSharp.Tests/TestImages.cs
+++ b/tests/ImageSharp.Tests/TestImages.cs
@@ -640,6 +640,7 @@ namespace SixLabors.ImageSharp.Tests
                 public const string AlphaCompressedVerticalFilter = "WebP/alpha_filter_2_method_1.webp";
                 public const string AlphaNoCompressionGradientFilter = "WebP/alpha_filter_3_method_0.webp";
                 public const string AlphaCompressedGradientFilter = "WebP/alpha_filter_3_method_1.webp";
+                public const string AlphaThinkingSmiley = "WebP/1602311202.webp";
             }
         }
     }
diff --git a/tests/Images/Input/WebP/1602311202.webp b/tests/Images/Input/WebP/1602311202.webp
new file mode 100644
index 0000000000..4dfd0184fd
--- /dev/null
+++ b/tests/Images/Input/WebP/1602311202.webp
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4dac76bec0e5b23a988b0f2221e9b20e63dc207ef48f33e49a4336a874e2a915
+size 18406