diff --git a/Octokit/Models/Request/RepositoryRequest.cs b/Octokit/Models/Request/RepositoryRequest.cs
index 2f751f62a0..03753b432e 100644
--- a/Octokit/Models/Request/RepositoryRequest.cs
+++ b/Octokit/Models/Request/RepositoryRequest.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using System.Diagnostics.CodeAnalysis;
 using System.Globalization;
@@ -57,7 +58,19 @@ internal string DebuggerDisplay
         {
             get
             {
-                return string.Format(CultureInfo.InvariantCulture, "Type: {0}, Sort: {1}, Direction: {2}", Type, Sort, Direction);
+                var propValues = new List<string>();
+                if (Type.HasValue)
+                    propValues.Add(string.Format(CultureInfo.InvariantCulture, "Type: {0}", Type));
+                if (Sort.HasValue)
+                    propValues.Add(string.Format(CultureInfo.InvariantCulture, "Sort: {0}", Sort));
+                if (Direction.HasValue)
+                    propValues.Add(string.Format(CultureInfo.InvariantCulture, "Direction: {0}", Direction));
+                if (Visibility.HasValue)
+                    propValues.Add(string.Format(CultureInfo.InvariantCulture, "Visibility: {0}", Visibility));
+                if (Affiliation.HasValue)
+                    propValues.Add(string.Format(CultureInfo.InvariantCulture, "Affiliation: {0}", Affiliation));
+
+                return string.Join(", ", propValues);
             }
         }
     }