diff --git a/src/Tomlyn.Tests/BasicTests.cs b/src/Tomlyn.Tests/BasicTests.cs
index 06f86db..b26dcca 100644
--- a/src/Tomlyn.Tests/BasicTests.cs
+++ b/src/Tomlyn.Tests/BasicTests.cs
@@ -86,6 +86,19 @@ public void TestHelloWorldWithCustomModel()
             AssertHelper.AreEqualNormalizeNewLine(toml, toml2);
         }
 
+        [Test]
+        public void TestTableArraysContainingPrimitiveArraysSerialize()
+        {
+            var test = @"[[table_array]]
+primitive_list = [4, 5, 6]
+";
+
+            var model = Toml.ToModel(test);
+            var tomlOut = Toml.FromModel(model);
+
+            Assert.AreEqual(test, tomlOut);
+        }
+
         class MyModel : ITomlMetadataProvider
         {
             public string? Global { get; set; }