diff --git a/CHANGELOG.md b/CHANGELOG.md
index db18eb9..657b2d4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,10 @@
 
 These are the changes to each version that has been released on the [nuget](https://www.nuget.org/packages/Unchase.Swashbuckle.AspNetCore.Extensions/).
 
+## v2.2.6 `(2020-03-22)`
+
+- [x] Fix bug: add fix #6 to `options.AddEnumsWithValuesFixFilters(true);` when using `JsonStringEnumConverter()`
+
 ## v2.2.5 `(2020-03-02)`
 
 - [x] Fix bug: hide Paths and Components with `AuthorizeAttribute` applied to the Controller
diff --git a/src/Unchase.Swashbuckle.AspNetCore.Extensions/Extensions/EnumTypeExtensions.cs b/src/Unchase.Swashbuckle.AspNetCore.Extensions/Extensions/EnumTypeExtensions.cs
index eb6b8dc..85c132f 100644
--- a/src/Unchase.Swashbuckle.AspNetCore.Extensions/Extensions/EnumTypeExtensions.cs
+++ b/src/Unchase.Swashbuckle.AspNetCore.Extensions/Extensions/EnumTypeExtensions.cs
@@ -47,9 +47,17 @@ internal static string AddEnumValuesDescription(this OpenApiSchema schema, bool
             var sb = new StringBuilder();
             for (int i = 0; i < schema.Enum.Count; i++)
             {
-                var value = ((OpenApiInteger)schema.Enum[i]).Value;
-                var name = ((OpenApiString)((OpenApiArray)schema.Extensions["x-enumNames"])[i]).Value;
-                sb.Append($"{Environment.NewLine}{Environment.NewLine}{value} = {name}");
+                if (schema.Enum[i] is OpenApiInteger schemaEnumInt)
+                {
+                    var value = schemaEnumInt.Value;
+                    var name = ((OpenApiString)((OpenApiArray)schema.Extensions["x-enumNames"])[i]).Value;
+                    sb.Append($"{Environment.NewLine}{Environment.NewLine}{value} = {name}");
+                }
+                else if (schema.Enum[i] is OpenApiString schemaEnumString)
+                {
+                    var value = schemaEnumString.Value;
+                    sb.Append($"{Environment.NewLine}{Environment.NewLine}{value}");
+                }
 
                 // add description from DescriptionAttribute
                 if (includeDescriptionFromAttribute)
diff --git a/src/Unchase.Swashbuckle.AspNetCore.Extensions/Unchase.Swashbuckle.AspNetCore.Extensions.csproj b/src/Unchase.Swashbuckle.AspNetCore.Extensions/Unchase.Swashbuckle.AspNetCore.Extensions.csproj
index b815e45..19afa09 100644
--- a/src/Unchase.Swashbuckle.AspNetCore.Extensions/Unchase.Swashbuckle.AspNetCore.Extensions.csproj
+++ b/src/Unchase.Swashbuckle.AspNetCore.Extensions/Unchase.Swashbuckle.AspNetCore.Extensions.csproj
@@ -14,9 +14,9 @@
     <NeutralLanguage></NeutralLanguage>
     <LangVersion>7.3</LangVersion>
     <PackageIconUrl>https://github.com/unchase/Unchase.Swashbuckle.AspNetCore.Extensions/blob/master/assets/icon.png?raw=true</PackageIconUrl>
-    <Version>2.2.5</Version>
-    <AssemblyVersion>2.2.5.0</AssemblyVersion>
-    <FileVersion>2.2.5.0</FileVersion>
+    <Version>2.2.6</Version>
+    <AssemblyVersion>2.2.6.0</AssemblyVersion>
+    <FileVersion>2.2.6.0</FileVersion>
     <GeneratePackageOnBuild>false</GeneratePackageOnBuild>
     <DocumentationFile>Unchase.Swashbuckle.AspNetCore.Extensions.xml</DocumentationFile>
   </PropertyGroup>
diff --git a/test/WebApi3.1-Swashbuckle/Startup.cs b/test/WebApi3.1-Swashbuckle/Startup.cs
index aa1161c..cf39cc7 100644
--- a/test/WebApi3.1-Swashbuckle/Startup.cs
+++ b/test/WebApi3.1-Swashbuckle/Startup.cs
@@ -8,6 +8,7 @@
 using System.Collections.Generic;
 using System.IO;
 using System.Net;
+using System.Text.Json.Serialization;
 using TodoApi.Models;
 using Unchase.Swashbuckle.AspNetCore.Extensions.Extensions;
 using Unchase.Swashbuckle.AspNetCore.Extensions.Filters;
@@ -24,6 +25,7 @@ public class Startup
         public void ConfigureServices(IServiceCollection services)
         {
             services.AddControllers();
+                //.AddJsonOptions(options => options.JsonSerializerOptions.Converters.Add(new JsonStringEnumConverter()));
 
             // Register the Swagger generator, defining 1 or more Swagger documents
             services.AddSwaggerGen(options =>