diff --git a/src/LCT.Common.UTests/CommonHelperTest.cs b/src/LCT.Common.UTests/CommonHelperTest.cs
index 2df2dca0..5d37ff3b 100644
--- a/src/LCT.Common.UTests/CommonHelperTest.cs
+++ b/src/LCT.Common.UTests/CommonHelperTest.cs
@@ -16,7 +16,7 @@ namespace LCT.Common.UTest
     [TestFixture]
     public class CommonHelperTest
     {
-       
+
         [Test]
         public void WriteComponentsNotLinkedListInConsole_PassingList_ReturnSuccess()
         {
@@ -276,8 +276,8 @@ public void RemoveExcludedComponents_WhenExcludedComponentMatches_ReturnsExclude
             List<Component> result = CommonHelper.FlagExcludedComponentsAsInternal(componentList, excludedComponents, ref noOfExcludedComponents);
 
             // Assert
-            Assert.AreEqual(1, result.Count);
-            Assert.IsFalse(result.Any(c => c.Name == "Component1" && c.Version == "1.0"));
+            Assert.AreEqual(3, result.Count);
+            Assert.IsTrue(result.Any(c => c.Name == "Component1" && c.Version == "1.0"));
             Assert.IsTrue(result.Any(c => c.Name == "Component3" && c.Version == "3.0"));
             Assert.AreEqual(2, noOfExcludedComponents);
         }
diff --git a/src/LCT.Common/CommonHelper.cs b/src/LCT.Common/CommonHelper.cs
index 9987546f..8a5615a2 100644
--- a/src/LCT.Common/CommonHelper.cs
+++ b/src/LCT.Common/CommonHelper.cs
@@ -60,10 +60,15 @@ public static List<Component> FlagExcludedComponentsAsInternal(List<Component> C
                         Property property = new Property();
                         property.Name = Dataconstant.Cdx_IsInternal;
                         property.Value = "true";
-                        if (!component.Properties.Exists(x => x.Name.Equals(property.Name)))
+                        if (component.Properties != null
+                            && !component.Properties.Exists(x => x.Name.Equals(property.Name)))
                         {
                             component.Properties.Add(property);
                         }
+                        else
+                        {
+                            component.Properties = [property];
+                        }
 
                         ExcludedList.Add(component);
                     }
diff --git a/src/LCT.PackageIdentifier.UTest/ConanParserTests.cs b/src/LCT.PackageIdentifier.UTest/ConanParserTests.cs
index 5f747fcb..1e73d791 100644
--- a/src/LCT.PackageIdentifier.UTest/ConanParserTests.cs
+++ b/src/LCT.PackageIdentifier.UTest/ConanParserTests.cs
@@ -90,7 +90,7 @@ public void ParseLockFile_GivenAInputFilePath_ReturnDevDependentComp()
         public void ParseLockFile_GivenAInputFilePathExcludeComponent_ReturnComponentCount()
         {
             //Arrange
-            int totalComponentsAfterExclusion = 15;
+            int totalComponentsAfterExclusion = 17;
             string exePath = System.Reflection.Assembly.GetExecutingAssembly().Location;
             string outFolder = Path.GetDirectoryName(exePath);
             string packagefilepath = outFolder + @"\PackageIdentifierUTTestFiles";
@@ -113,14 +113,14 @@ public void ParseLockFile_GivenAInputFilePathExcludeComponent_ReturnComponentCou
             Bom listofcomponents = new ConanProcessor(cycloneDXBomParser.Object).ParsePackageFile(appSettings);
 
             //Assert
-            Assert.That(totalComponentsAfterExclusion, Is.EqualTo(listofcomponents.Components.Count), "Checks if the excluded components have been removed");
+            Assert.That(totalComponentsAfterExclusion, Is.EqualTo(listofcomponents.Components.Count), "Checks if the excluded components have not been removed");
         }
 
         [TestCase]
         public void IsDevDependent_GivenListOfDevComponents_ReturnsSuccess()
         {
             //Arrange
-            var conanPackage = new ConanPackage() {Id = "10"};
+            var conanPackage = new ConanPackage() { Id = "10" };
             var buildNodeIds = new List<string> { "10", "11", "12" };
             var noOfDevDependent = 0;
             //Act
@@ -135,13 +135,13 @@ public async Task IdentificationOfInternalComponents_ReturnsComponentData_Succes
         {
             // Arrange
             Component component = new Component()
-            { 
+            {
                 Name = "securitycommunicationmanager",
                 Description = string.Empty,
                 Version = "2.6.5",
                 Purl = "pkg:conan/securitycommunicationmanager@2.6.5"
             };
-            
+
             var components = new List<Component>() { component };
             ComponentIdentification componentIdentification = new() { comparisonBOMData = components };
             string[] repoList = { "internalrepo1", "internalrepo2" };