diff --git a/Src/Newtonsoft.Json/JsonSerializer.cs b/Src/Newtonsoft.Json/JsonSerializer.cs
index 13e3a9c68..48da7f050 100644
--- a/Src/Newtonsoft.Json/JsonSerializer.cs
+++ b/Src/Newtonsoft.Json/JsonSerializer.cs
@@ -1207,7 +1207,7 @@ internal IReferenceResolver GetReferenceResolver()
                 for (int i = 0; i < converters.Count; i++)
                 {
                     JsonConverter converter = converters[i];
-
+                    if(converter == null) continue;
                     if (converter.CanConvert(objectType))
                     {
                         return converter;