diff --git a/DnsServerCore/WebServiceDhcpApi.cs b/DnsServerCore/WebServiceDhcpApi.cs
index d2ea6662..e5e03acf 100644
--- a/DnsServerCore/WebServiceDhcpApi.cs
+++ b/DnsServerCore/WebServiceDhcpApi.cs
@@ -396,7 +396,7 @@ namespace DnsServerCore
                     throw new DnsWebServiceException("Parameter 'subnetMask' missing.");
 
                 scopeExists = false;
-                scope = new Scope(scopeName, true, IPAddress.Parse(strStartingAddress), IPAddress.Parse(strEndingAddress), IPAddress.Parse(strSubnetMask), _dnsWebService._log);
+                scope = new Scope(scopeName, true, IPAddress.Parse(strStartingAddress), IPAddress.Parse(strEndingAddress), IPAddress.Parse(strSubnetMask), _dnsWebService._log, _dnsWebService.DhcpServer);
             }
             else
             {