diff --git a/src/ImageSharp/PixelFormats/PixelImplementations/Gray8.cs b/src/ImageSharp/PixelFormats/PixelImplementations/Gray8.cs
index d23fda799..4ed5904c2 100644
--- a/src/ImageSharp/PixelFormats/PixelImplementations/Gray8.cs
+++ b/src/ImageSharp/PixelFormats/PixelImplementations/Gray8.cs
@@ -140,7 +140,7 @@ namespace SixLabors.ImageSharp.PixelFormats
         public bool Equals(Gray8 other) => this.PackedValue.Equals(other.PackedValue);
 
         /// <inheritdoc />
-        public override string ToString() => $"Gray8({this.PackedValue}";
+        public override string ToString() => $"Gray8({this.PackedValue})";
 
         /// <inheritdoc />
         [MethodImpl(InliningOptions.ShortMethod)]