diff --git a/gateway/src/IntegrationGateway.Host/Program.cs b/gateway/src/IntegrationGateway.Host/Program.cs
index 689a438..3571917 100644
--- a/gateway/src/IntegrationGateway.Host/Program.cs
+++ b/gateway/src/IntegrationGateway.Host/Program.cs
@@ -78,7 +78,7 @@ foreach (var m in mc4List)
     var code = $"MC4:{m.InstanceName ?? "default"}";
     var a = new IntegrationGateway.Adapters.MC4.Mc4Adapter(code,
         app.Services.GetRequiredService<IHttpClientFactory>().CreateClient("VolPro"),
-        m.BaseUrl);
+        m.BaseUrl, m.Username, m.Password);
     registry.Register(a);
 }