diff --git a/ProtectionScan/Features/MainFeature.cs b/ProtectionScan/Features/MainFeature.cs
index 61edd476..c19680fc 100644
--- a/ProtectionScan/Features/MainFeature.cs
+++ b/ProtectionScan/Features/MainFeature.cs
@@ -1,6 +1,9 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
+#if NETCOREAPP
+using System.Text.Json;
+#endif
 using BinaryObjectScanner;
 using SabreTools.CommandLine;
 using SabreTools.CommandLine.Inputs;
@@ -255,18 +258,14 @@ namespace ProtectionScan.Features
 
             try
             {
-                var jsonSerializerOptions = new System.Text.Json.JsonSerializerOptions { WriteIndented = true };
+                var jsonSerializerOptions = new JsonSerializerOptions { WriteIndented = true };
                 string serializedData;
 
                 if (Nested)
                 {
                     // A nested dictionary is used to achieve proper serialization.
-                    var nestedDictionary = new Dictionary<string, object>();
-                    var trimmedPath = path.TrimEnd(['\\', '/']);
-                    
-                    // Move nested dictionary into final dictionary with the base path as a key.
-                    //var finalDictionary = new Dictionary<string, Dictionary<string, object>>();
-                    //finalDictionary.Add(trimmedPath, nestedDictionary);
+                    Dictionary<string, object> nestedDictionary = [];
+                    path = path.TrimEnd(['\\', '/']);
 
                     // Sort the keys for consistent output
                     string[] keys = [.. protections.Keys];
@@ -287,7 +286,7 @@ namespace ProtectionScan.Features
                         Array.Sort(fileProtections);
 
                         // Inserts key and protections into nested dictionary, with the key trimmed of the base path.
-                        InsertNode(nestedDictionary, key[trimmedPath.Length..], trimmedPath, fileProtections, modifyNodeList);
+                        InsertNode(nestedDictionary, key, path, fileProtections, modifyNodeList);
                     }
 
                     // Adds the non-leaf-node protections back in
@@ -301,14 +300,14 @@ namespace ProtectionScan.Features
 
                         modifyNodeList[i].Item1[modifyNodeList[i].Item2] = modifyNode;
                     }
-                    
+
                     // Create the output data
-                    serializedData = System.Text.Json.JsonSerializer.Serialize(nestedDictionary, jsonSerializerOptions);
+                    serializedData = JsonSerializer.Serialize(nestedDictionary, jsonSerializerOptions);
                 }
                 else
                 {
                     // Create the output data
-                    serializedData = System.Text.Json.JsonSerializer.Serialize(protections, jsonSerializerOptions);
+                    serializedData = JsonSerializer.Serialize(protections, jsonSerializerOptions);
                 }
 
                 // Write the output data
@@ -327,31 +326,37 @@ namespace ProtectionScan.Features
         /// <summary>
         /// Inserts file protection dictionary entries into a nested dictionary based on path
         /// </summary>
-        /// <param name="nestedDictionary">File or directory path</param>
-        /// <param name="path">The "key" for the given protection entry, already trimmed of its base path</param>
-        /// <param name="protections">The scanned protection(s) for a given file</param>
-        private static void InsertNode(Dictionary<string, object> nestedDictionary,
+        /// <param name="dict">Existing output dictionary</param>
+        /// <param name="key">The key for the given protection entry</param>
+        /// <param name="path">Original base path used for scanning</param>
+        /// <param name="protections">Set of protections found, if any</param>
+        /// <param name="modifyNodeList">Set representing overlapping nodes to be processed after</param>
+        private static void InsertNode(Dictionary<string, object> dict,
+            string key,
             string path,
-            string fullPath,
             string[] protections,
             List<(Dictionary<string, object>, string, string[])> modifyNodeList)
         {
-            var pathParts = path.Split(Path.DirectorySeparatorChar, StringSplitOptions.RemoveEmptyEntries);
-            if (pathParts.Length <= 0)
+            // Remove the base path from the key for processing
+            key = key[path.Length..];
+
+            // Split the input path, if possible
+            var pathParts = key.Split(Path.DirectorySeparatorChar, StringSplitOptions.RemoveEmptyEntries);
+            if (pathParts.Length == 0)
             {
-                modifyNodeList.Add((nestedDictionary, fullPath, protections));
+                modifyNodeList.Add((dict, path, protections));
                 return;
             }
-            
-            if (!nestedDictionary.ContainsKey(fullPath))
-                nestedDictionary[fullPath] = new Dictionary<string, object>();
 
-            var current = (Dictionary<string, object>)nestedDictionary[fullPath];
-            
+            // Create the node if it doesn't already exist
+            if (!dict.ContainsKey(path))
+                dict[path] = new Dictionary<string, object>();
+
+            var current = (Dictionary<string, object>)dict[path];
+
             // Traverses the nested dictionary until the "leaf" dictionary is reached.
             for (int i = 0; i < pathParts.Length - 1; i++)
             {
-                
                 var part = pathParts[i];
 
                 // Inserts new subdictionaries if one doesn't already exist
@@ -376,23 +381,10 @@ namespace ProtectionScan.Features
             }
 
             // If the "leaf" dictionary has been reached, add the file and its protections.
-            if (current.ContainsKey(pathParts[^1]))
+            if (current.ContainsKey(pathParts[^1]) && current[pathParts[^1]] is string[] existing)
             {
-                var array1 = (string[])current[pathParts[^1]];
-                var array2 = protections;
-
-                string[] result = new string[array1.Length + array2.Length];
-                for (int i = 0; i < array1.Length; i++)
-                {
-                    result[i] = array1[i];
-                }
-
-                for (int i = 0; i < array2.Length; i++)
-                {
-                    result[array1.Length + i] = array2[i];
-                }
-
-                current[pathParts[^1]] = result;
+                string[] combined = [.. existing, .. protections];
+                current[pathParts[^1]] = combined;
             }
             else
             {