diff --git a/Source/SVGImage/SVG/Utils/FontResolver.cs b/Source/SVGImage/SVG/Utils/FontResolver.cs
index 7b63d91..373e527 100644
--- a/Source/SVGImage/SVG/Utils/FontResolver.cs
+++ b/Source/SVGImage/SVG/Utils/FontResolver.cs
@@ -27,15 +27,15 @@ public class FontResolver
         public FontResolver(int maxLevenshteinDistance = 0)
         {
             _availableFonts = Fonts.SystemFontFamilies
-                .Select(ff => new { NormalName = ff.Source, Family = ff })
-                .ToDictionary(x => x.NormalName, x => x.Family, StringComparer.OrdinalIgnoreCase);
+                .GroupBy(ff => ff.Source, StringComparer.OrdinalIgnoreCase)
+                .ToDictionary(g => g.Key, g => g.First(), StringComparer.OrdinalIgnoreCase);
 
             _normalizedFontNameMap = new Dictionary<string, string>(_availableFonts.Count);
-            foreach (var font in _availableFonts.Keys)
-            {
-                var name = Normalize(font);
-                if (!_normalizedFontNameMap.ContainsKey(name))
-                    _normalizedFontNameMap.Add(name, font);
+            foreach (var font in _availableFonts.Keys)
+            {
+                var name = Normalize(font);
+                if (!_normalizedFontNameMap.ContainsKey(name))
+                    _normalizedFontNameMap.Add(name, font);
             }
             MaxLevenshteinDistance = maxLevenshteinDistance;
         }
@@ -157,7 +157,7 @@ private static string Normalize(string fontName)
                 return string.Empty;
             }
             return _normalizationRegex.Replace(fontName, String.Empty).ToLowerInvariant();
-            
+
         }
 
         private static int[,] CreateDistanceMatrix(int length1, int length2)
@@ -201,7 +201,7 @@ private static int Levenshtein(string string1, string string2)
                 return string1.Length;
             }
 
-            
+
             int[,] distanceMatrix = CreateDistanceMatrix(string1.Length, string2.Length);
 
             for (int i = 1; i <= string1.Length; i++)
@@ -221,5 +221,5 @@ private static int Levenshtein(string string1, string string2)
         }
 
     }
-    
+
 }