diff --git a/PowerDocu.GUI/PowerDocuCLI.cs b/PowerDocu.GUI/PowerDocuCLI.cs
index 587f60a..fbf2c44 100644
--- a/PowerDocu.GUI/PowerDocuCLI.cs
+++ b/PowerDocu.GUI/PowerDocuCLI.cs
@@ -67,7 +67,7 @@ public static async Task Run(string[] args)
 
         private static void GenerateDocumentation(CommandLineOptions options)
         {
-            foreach (var itemToDocument in options.ItemsToDocument)
+            foreach (var itemToDocument in options.ItemsToDocument!)
             {
                 if (!File.Exists(itemToDocument))
                 {