diff --git a/src/Spring/Spring.Services/Web/Services/WebServiceProxyFactory.cs b/src/Spring/Spring.Services/Web/Services/WebServiceProxyFactory.cs
index 05d3c02d..9e909365 100644
--- a/src/Spring/Spring.Services/Web/Services/WebServiceProxyFactory.cs
+++ b/src/Spring/Spring.Services/Web/Services/WebServiceProxyFactory.cs
@@ -1149,6 +1149,7 @@ namespace Spring.Web.Services
             public WebServiceProxyProxyTypeBuilder()
             {
                 this.Name = "WebServiceProxyProxy";
+                this.DeclaredMembersOnly = true;
             }
 
             #endregion