diff --git a/DnsServerCore/Dhcp/DhcpOption.cs b/DnsServerCore/Dhcp/DhcpOption.cs
index 4cf0d577..c51a4be0 100644
--- a/DnsServerCore/Dhcp/DhcpOption.cs
+++ b/DnsServerCore/Dhcp/DhcpOption.cs
@@ -170,6 +170,9 @@ namespace DnsServerCore.Dhcp
                 case DhcpOptionCode.BroadcastAddress:
                     return new BroadcastAddressOption(s);
 
+                case DhcpOptionCode.VendorSpecificInformation:
+                    return new VendorSpecificInformationOption(s);
+
                 case DhcpOptionCode.NetBiosOverTcpIpNameServer:
                     return new NetBiosNameServerOption(s);
 
@@ -200,6 +203,9 @@ namespace DnsServerCore.Dhcp
                 case DhcpOptionCode.RebindingTimeValue:
                     return new RebindingTimeValueOption(s);
 
+                case DhcpOptionCode.VendorClassIdentifier:
+                    return new VendorClassIdentifierOption(s);
+
                 case DhcpOptionCode.ClientIdentifier:
                     return new ClientIdentifierOption(s);