1 files changed, 10 insertions, 3 deletions

diff --git a/Jellyfin.Server/Extensions/ApiApplicationBuilderExtensions.cs b/Jellyfin.Server/Extensions/ApiApplicationBuilderExtensions.cs
index 2b002c6f3..c7fbfa4d0 100644
--- a/Jellyfin.Server/Extensions/ApiApplicationBuilderExtensions.cs
+++ b/Jellyfin.Server/Extensions/ApiApplicationBuilderExtensions.cs
@@ -1,6 +1,8 @@
+using System.Collections.Generic;
 using Jellyfin.Server.Middleware;
 using MediaBrowser.Controller.Configuration;
 using Microsoft.AspNetCore.Builder;
+using Microsoft.OpenApi.Models;
 
 namespace Jellyfin.Server.Extensions
 {
@@ -23,6 +25,7 @@ namespace Jellyfin.Server.Extensions
             // specifying the Swagger JSON endpoint.
 
             var baseUrl = serverConfigurationManager.Configuration.BaseUrl.Trim('/');
+            var apiDocBaseUrl = serverConfigurationManager.Configuration.BaseUrl;
             if (!string.IsNullOrEmpty(baseUrl))
             {
                 baseUrl += '/';
@@ -32,21 +35,25 @@ namespace Jellyfin.Server.Extensions
                 .UseSwagger(c =>
                 {
                     // Custom path requires {documentName}, SwaggerDoc documentName is 'api-docs'
-                    c.RouteTemplate = $"/{baseUrl}{{documentName}}/openapi.json";
+                    c.RouteTemplate = "{documentName}/openapi.json";
+                    c.PreSerializeFilters.Add((swagger, httpReq) =>
+                    {
+                        swagger.Servers = new List<OpenApiServer> { new OpenApiServer { Url = $"{httpReq.Scheme}://{httpReq.Host.Value}{apiDocBaseUrl}" } };
+                    });
                 })
                 .UseSwaggerUI(c =>
                 {
                     c.DocumentTitle = "Jellyfin API";
                     c.SwaggerEndpoint($"/{baseUrl}api-docs/openapi.json", "Jellyfin API");
-                    c.RoutePrefix = $"{baseUrl}api-docs/swagger";
                     c.InjectStylesheet($"/{baseUrl}api-docs/swagger/custom.css");
+                    c.RoutePrefix = "api-docs/swagger";
                 })
                 .UseReDoc(c =>
                 {
                     c.DocumentTitle = "Jellyfin API";
                     c.SpecUrl($"/{baseUrl}api-docs/openapi.json");
-                    c.RoutePrefix = $"{baseUrl}api-docs/redoc";
                     c.InjectStylesheet($"/{baseUrl}api-docs/redoc/custom.css");
+                    c.RoutePrefix = "api-docs/redoc";
                 });
         }