diff --git a/src/Umbraco.Tests/Persistence/Repositories/SimilarNodeNameTests.cs b/src/Umbraco.Tests/Persistence/Repositories/SimilarNodeNameTests.cs
index 275398091b..e0e650fa66 100644
--- a/src/Umbraco.Tests/Persistence/Repositories/SimilarNodeNameTests.cs
+++ b/src/Umbraco.Tests/Persistence/Repositories/SimilarNodeNameTests.cs
@@ -25,6 +25,7 @@ namespace Umbraco.Tests.Persistence.Repositories
         [TestCase("Kilo", "Golf (2)", +1)]
         [TestCase("Kilo (1)", "Golf (2)", +1)]
 		[TestCase("", "", 0)]
+		[TestCase(null, null, 0)]
 		public void ComparerTest(string name1, string name2, int expected)
         {
             var comparer = new SimilarNodeName.Comparer();
@@ -77,7 +78,9 @@ namespace Umbraco.Tests.Persistence.Repositories
         [TestCase(0, "Alpha", "Alpha (3)")]
         [TestCase(0, "Kilo (1)", "Kilo (1) (1)")] // though... we might consider "Kilo (2)"
         [TestCase(6, "Kilo (1)", "Kilo (1)")] // because of the id
-        public void Test(int nodeId, string nodeName, string expected)
+		[TestCase(0, "", " (1)")]
+		[TestCase(0, null, " (1)")]
+		public void Test(int nodeId, string nodeName, string expected)
         {
             var names = new[]
             {