diff --git a/StgSharp.RegularAnalysis/TextRegex/RegexInterpreter.Optimize.cs b/StgSharp.RegularAnalysis/TextRegex/RegexInterpreter.Optimize.cs
index 51f8a62e..33b02a11 100644
--- a/StgSharp.RegularAnalysis/TextRegex/RegexInterpreter.Optimize.cs
+++ b/StgSharp.RegularAnalysis/TextRegex/RegexInterpreter.Optimize.cs
@@ -227,7 +227,7 @@ namespace StgSharp.RegularAnalysis.TextRegex
                 : base(node.Source)
             {
                 Level = level;
-                Cases = new List<RegexAstNode>();
+                Cases = [];
 
                 RegexAstNode right = IsNullOrEmpty(node.Right) ?
                                      new RegexAstNode(