diff --git a/src/PixiEditor/Models/IO/PaletteParsers/PixiPaletteParser.cs b/src/PixiEditor/Models/IO/PaletteParsers/PixiPaletteParser.cs
index 9ebaed06f..ab7b0358a 100644
--- a/src/PixiEditor/Models/IO/PaletteParsers/PixiPaletteParser.cs
+++ b/src/PixiEditor/Models/IO/PaletteParsers/PixiPaletteParser.cs
@@ -34,6 +34,6 @@ private async Task<PaletteFileData> ParseFile(string path)
 
     public override Task<bool> Save(string path, PaletteFileData data)
     {
-        throw new NotImplementedException("Saving palette to .pixi directly is not supported.");
+        throw new SavingNotSupportedException("Saving palette as .pixi directly is not supported.");
     }
 }
diff --git a/src/PixiEditor/Models/IO/PaletteParsers/SavingNotSupportedException.cs b/src/PixiEditor/Models/IO/PaletteParsers/SavingNotSupportedException.cs
index e1a0276ab..8029cc3a1 100644
--- a/src/PixiEditor/Models/IO/PaletteParsers/SavingNotSupportedException.cs
+++ b/src/PixiEditor/Models/IO/PaletteParsers/SavingNotSupportedException.cs
@@ -2,5 +2,7 @@
 
 public class SavingNotSupportedException : Exception
 {
-
+    public SavingNotSupportedException(string message) : base(message)
+    {
+    }
 }