diff --git a/JsonMasking.Tests/JsonMaskingTests.cs b/JsonMasking.Tests/JsonMaskingTests.cs
index d21bd49..fd9c14e 100644
--- a/JsonMasking.Tests/JsonMaskingTests.cs
+++ b/JsonMasking.Tests/JsonMaskingTests.cs
@@ -3,6 +3,7 @@
 using System.Collections.Generic;
 using System.Text.Json;
 using System.Text.Json.Nodes;
+using Newtonsoft.Json.Linq;
 using Xunit;
 
 namespace JsonMasking.Tests
@@ -334,6 +335,39 @@ public static void MaskFields_Should_Mask_Partial_With_Single_Field()
             Assert.Equal(EXPECTED_VALUE, result.Replace("\r\n", "\n"));
         }
 
+
+        [Fact]
+        public static void MaskFields_Should_Mask_With_Array()
+        {
+            // arrange
+            const string EXPECTED_VALUE = "[{\n  \"Test\": \"1\",\n  \"Card\": {\n    \"Number\": \"462294*****9865\",\n    \"Password\": \"somepass#here2\"\n  }\n}]";
+
+            var blacklistPartialMock = BlacklistPartialMock.DefaultBlackListPartial;
+
+            var obj = new
+            {
+                Test = "1",
+                Card = new
+                {
+                    Number = "4622943127049865",
+                    Password = "somepass#here2"
+                }
+            };
+
+            var arr = new object[1] { obj };
+
+            var json = JsonSerializer.Serialize(arr, IndentedOptions);
+            string[] blacklist = { "*card.number" };
+            var mask = "----";
+
+            // act
+            var result = json.MaskFields(blacklist, mask, blacklistPartialMock);
+
+            // assert
+            Assert.True(JToken.DeepEquals(JToken.Parse(EXPECTED_VALUE), JToken.Parse(result)));
+        }
+
+
         [Fact]
         public static void MaskFields_Should_Mask_Partial_And_Completely_With_Single_Field()
         {
diff --git a/JsonMasking/JsonMasking.cs b/JsonMasking/JsonMasking.cs
index 19fa802..f3fdd3b 100644
--- a/JsonMasking/JsonMasking.cs
+++ b/JsonMasking/JsonMasking.cs
@@ -43,22 +43,15 @@ public static string MaskFields(this string json, string[] blacklist, string mas
             {
                 for (int i = 0; i < jsonArray.Count; i++)
                 {
-                    MaskFieldsFromJsonNode(jsonArray[i], blacklist, mask, i.ToString());
+                    JsonNode jsonNode = jsonArray[i];
+                    MaskFieldsFromJsonNode(jsonNode, blacklist, mask, blacklistPartial, i.ToString());
                 }
 
                 return deserializedObject.ToString();
             }
 
             var jsonObject = deserializedObject.AsObject();
-
-            if (blacklistPartial != null)
-            {
-                MaskFieldsFromJsonNode(jsonObject, blacklist, mask, blacklistPartial, "");
-            }
-            else
-            {
-                MaskFieldsFromJsonNode(jsonObject, blacklist, mask, "");
-            }
+            MaskFieldsFromJsonNode(jsonObject, blacklist, mask, blacklistPartial, "");
 
             return jsonObject.ToString();
         }
@@ -126,6 +119,11 @@ private static void MaskFieldsFromJsonNode(JsonNode node, string[] blacklist, st
                 return; // abort recursive
             }
 
+            if (blacklistPartial == null)
+            {
+                blacklistPartial = new Dictionary<string, Func<string, string>>();
+            }
+
             if (node is JsonObject jsonObject)
             {
                 var propertiesToMask = new List<(string key, string path)>();