diff --git a/src/ImageProcessorCore/Formats/Png/PngEncoderCore.cs b/src/ImageProcessorCore/Formats/Png/PngEncoderCore.cs
index 8e959155cc..fc6ad3f672 100644
--- a/src/ImageProcessorCore/Formats/Png/PngEncoderCore.cs
+++ b/src/ImageProcessorCore/Formats/Png/PngEncoderCore.cs
@@ -516,11 +516,19 @@ namespace ImageProcessorCore.Formats
                 {
                     int offset = i * 3;
                     Color color = new Color(palette[i].ToVector4());
+                    int alpha = color.A;
+
+                    // Premultiply the color. This helps prevent banding.
+                    if (alpha < 255 && alpha > this.Threshold)
+                    {
+                        color = Color.Multiply(color, new Color(alpha, alpha, alpha, 255));
+                    }
+
                     colorTable[offset] = color.R;
                     colorTable[offset + 1] = color.G;
                     colorTable[offset + 2] = color.B;
 
-                    if (color.A <= this.Threshold)
+                    if (alpha <= this.Threshold)
                     {
                         transparentPixels.Add((byte)offset);
                     }
diff --git a/src/ImageProcessorCore/Quantizers/Octree/OctreeQuantizer.cs b/src/ImageProcessorCore/Quantizers/Octree/OctreeQuantizer.cs
index 0e53cbbab9..d6eeb535ff 100644
--- a/src/ImageProcessorCore/Quantizers/Octree/OctreeQuantizer.cs
+++ b/src/ImageProcessorCore/Quantizers/Octree/OctreeQuantizer.cs
@@ -91,17 +91,6 @@ namespace ImageProcessorCore.Quantizers
         protected override List<TColor> GetPalette()
         {
             return this.octree.Palletize(Math.Max(this.colors, 1));
-
-            // First off convert the Octree to maxColors colors
-            //List<TColor> palette = this.octree.Palletize(Math.Max(this.colors, 1));
-
-            //int diff = this.colors - palette.Count;
-            //if (diff > 0)
-            //{
-            //    palette.AddRange(Enumerable.Repeat(default(TColor), diff));
-            //}
-
-            //return palette;
         }
 
         /// <summary>
diff --git a/src/ImageProcessorCore/Quantizers/Octree/Quantizer.cs b/src/ImageProcessorCore/Quantizers/Octree/Quantizer.cs
index cbaa8435ed..1354808798 100644
--- a/src/ImageProcessorCore/Quantizers/Octree/Quantizer.cs
+++ b/src/ImageProcessorCore/Quantizers/Octree/Quantizer.cs
@@ -95,7 +95,7 @@ namespace ImageProcessorCore.Quantizers
         /// <param name="output">The output pixel array</param>
         /// <param name="width">The width in pixels of the image</param>
         /// <param name="height">The height in pixels of the image</param>
-        protected virtual void SecondPass(PixelAccessor<TColor,TPacked> source, byte[] output, int width, int height)
+        protected virtual void SecondPass(PixelAccessor<TColor, TPacked> source, byte[] output, int width, int height)
         {
             Parallel.For(
                 0,