diff --git a/DotNetResxUtils/Commands/GenerationCommand.cs b/DotNetResxUtils/Commands/GenerationCommand.cs
index 0ddec8f..69034c6 100644
--- a/DotNetResxUtils/Commands/GenerationCommand.cs
+++ b/DotNetResxUtils/Commands/GenerationCommand.cs
@@ -7,37 +7,34 @@ using System.Resources.NetStandard;
 
 namespace DotNetResxUtils.Commands
 {
-    internal class GenerationCommand  : Command
+    internal class GenerationCommand : Command
     {
         const string NAME = "generate";
         const string DESC = "Generate a .resx file.";
 
         public GenerationCommand() : base(NAME, DESC)
         {
+            Argument<FileInfo> destArg = new Argument<FileInfo>("destination", "The destination path to store this file. If no extension is given, .resx will automatically be concatenated.");
+            Add(destArg);
 
             Option<FileInfo?> fromOpt = new Option<FileInfo?>("--from", "Generates a .resx file from the given file.");
+            Add(fromOpt);
 
-            Argument<FileInfo> destArg = new Argument<FileInfo>("destination", "The destination path to store this file. If no extension is given, .resx will automatically be concatenated.");
-
-            this.AddOption(fromOpt);
-            this.AddArgument(destArg);
-
-            this.SetHandler<FileInfo, FileInfo?>(CommandHandler, destArg, fromOpt);
-        }
-        private async void CommandHandler(FileInfo to, FileInfo? from)
-        {
-            IDictionary<string, string> flattened = new Dictionary<string, string>();
-            if (from != null)
+            this.SetHandler(async (FileInfo to, FileInfo? from) =>
             {
-                flattened = await FlattenJson(from);
-            }
-            using (ResXResourceWriter resxWriter = new ResXResourceWriter(to.FullName))
-            {
-                foreach (KeyValuePair<string, string> keyVal in flattened)
+                IDictionary<string, string> flattened = new Dictionary<string, string>();
+                if (from != null)
                 {
-                    resxWriter.AddResource(keyVal.Key, keyVal.Value);
+                    flattened = await FlattenJson(from);
                 }
-            }
+                using (ResXResourceWriter resxWriter = new ResXResourceWriter(to.FullName))
+                {
+                    foreach (KeyValuePair<string, string> keyVal in flattened)
+                    {
+                        resxWriter.AddResource(keyVal.Key, keyVal.Value);
+                    }
+                }
+            }, destArg, fromOpt);
         }
 
         private async Task<IDictionary<string, string>> FlattenJson(FileInfo jsonFile)