From bdf4563e0d13d0fe691ef5a9ab58b4f896333386 Mon Sep 17 00:00:00 2001
From: Konstantin Hintermayer <me@kocoder.xyz>
Date: Thu, 16 Oct 2025 19:12:54 +0200
Subject: [PATCH] =?UTF-8?q?Fix:=20EventRegistration=20Tool=20(CERS=20?=
 =?UTF-8?q?=C3=BCberschreibt=20SERS)?=
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idea/source: https://github.com/oqtane/oqtane.framework/discussions/5541
---
 Client/Startup/ClientStartup.cs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Client/Startup/ClientStartup.cs b/Client/Startup/ClientStartup.cs
index 5fb721b..0ad161d 100644
--- a/Client/Startup/ClientStartup.cs
+++ b/Client/Startup/ClientStartup.cs
@@ -1,5 +1,6 @@
 using Microsoft.Extensions.DependencyInjection;
 using Oqtane.Services;
+using System.Linq;
 using SZUAbsolventenverein.Module.EventRegistration.Services;
 
 namespace SZUAbsolventenverein.Module.EventRegistration.Startup
@@ -8,7 +9,10 @@ namespace SZUAbsolventenverein.Module.EventRegistration.Startup
     {
         public void ConfigureServices(IServiceCollection services)
         {
-            services.AddScoped<IEventRegistrationService, EventRegistrationService>();
+            if (!services.Any(s => s.ServiceType == typeof(IEventRegistrationService)))
+            {
+                services.AddScoped<IEventRegistrationService, EventRegistrationService>();
+            }
         }
     }
 }