From 1c480e30d6d93d04e727601d75be9944ed6a95f8 Mon Sep 17 00:00:00 2001
From: Michael Staib <michael@chillicream.com>
Date: Fri, 20 Nov 2020 14:42:36 +0100
Subject: [PATCH] Fixed specified by resolver

---
 src/HotChocolate/Core/src/Types/Types/Introspection/__Type.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/HotChocolate/Core/src/Types/Types/Introspection/__Type.cs b/src/HotChocolate/Core/src/Types/Types/Introspection/__Type.cs
index 90865c23346..c980c9fb9f7 100644
--- a/src/HotChocolate/Core/src/Types/Types/Introspection/__Type.cs
+++ b/src/HotChocolate/Core/src/Types/Types/Introspection/__Type.cs
@@ -125,7 +125,7 @@ type switch
 
             public string? GetSpecifiedBy([Parent] IType type) =>
                 type is ScalarType scalar
-                    ? scalar.SpecifiedBy.ToString()
+                    ? scalar.SpecifiedBy?.ToString()
                     : null;
         }