diff --git a/src/tools/Avalonia.Generators/Common/GlobPattern.cs b/src/tools/Avalonia.Generators/Common/GlobPattern.cs
index 2b8fc37083..b76f4b2566 100644
--- a/src/tools/Avalonia.Generators/Common/GlobPattern.cs
+++ b/src/tools/Avalonia.Generators/Common/GlobPattern.cs
@@ -21,4 +21,5 @@ internal class GlobPattern : IGlobPattern
     public bool Equals(IGlobPattern other) => other is GlobPattern pattern && pattern._pattern == _pattern;
     public override int GetHashCode() => _pattern.GetHashCode();
     public override bool Equals(object? obj) => obj is GlobPattern pattern && Equals(pattern);
+    public override string ToString() => _pattern;
 }
diff --git a/src/tools/Avalonia.Generators/Common/GlobPatternGroup.cs b/src/tools/Avalonia.Generators/Common/GlobPatternGroup.cs
index e7c3af532d..2852516a3f 100644
--- a/src/tools/Avalonia.Generators/Common/GlobPatternGroup.cs
+++ b/src/tools/Avalonia.Generators/Common/GlobPatternGroup.cs
@@ -16,4 +16,5 @@ internal class GlobPatternGroup : IGlobPattern
     public bool Equals(IGlobPattern other) => _patterns.Any(pattern => pattern.Equals(other));
     public override int GetHashCode() => _patterns.GetHashCode();
     public override bool Equals(object? obj) => obj is GlobPattern pattern && Equals(pattern);
+    public override string ToString() => $"[{string.Join(", ", _patterns.Select(p => p.ToString()))}]";
 }