diff --git a/src/Gemstone/Common.cs b/src/Gemstone/Common.cs
index 1ccf54ac02..14d3e14980 100644
--- a/src/Gemstone/Common.cs
+++ b/src/Gemstone/Common.cs
@@ -113,7 +113,7 @@ public static string ApplicationName
     /// original <see cref="Type"/>.
     /// </para>
     /// </remarks>
-    public static string TypeConvertToString(object value)
+    public static string TypeConvertToString(object? value)
     {
         return TypeConvertToString(value, null);
     }