diff --git a/src/Piwigo.Client.DependencyInjection/ServiceCollectionExtension.cs b/src/Piwigo.Client.DependencyInjection/ServiceCollectionExtension.cs
index b401cdd..73f447c 100644
--- a/src/Piwigo.Client.DependencyInjection/ServiceCollectionExtension.cs
+++ b/src/Piwigo.Client.DependencyInjection/ServiceCollectionExtension.cs
@@ -8,7 +8,7 @@ namespace Piwigo.Client.DependencyInjection;
 
 public static class ServiceCollectionExtension
 {
-    public static void AddPiwigoClient(this ServiceCollection services, IPiwigoConfiguration configuration)
+    public static void AddPiwigoClient(this IServiceCollection services, IPiwigoConfiguration configuration)
     {
         services.AddSingleton(configuration);
         services.AddScoped<IPiwigoContext, PiwigoContext>();