diff --git a/DnsServerCore/Dhcp/DhcpServer.cs b/DnsServerCore/Dhcp/DhcpServer.cs
index 60e4215a..ee666b8b 100644
--- a/DnsServerCore/Dhcp/DhcpServer.cs
+++ b/DnsServerCore/Dhcp/DhcpServer.cs
@@ -795,10 +795,6 @@ namespace DnsServerCore.Dhcp
 
             try
             {
-                //find this dns server address in case the network config has changed
-                if (scope.UseThisDnsServer)
-                    scope.FindThisDnsServerAddress();
-
                 //find scope interface for binding socket
                 if (waitForInterface)
                 {
@@ -821,6 +817,10 @@ namespace DnsServerCore.Dhcp
                         throw new DhcpServerException("DHCP Server requires static IP address to work correctly but no network interface was found to have any static IP address configured.");
                 }
 
+                //find this dns server address in case the network config has changed
+                if (scope.UseThisDnsServer)
+                    scope.FindThisDnsServerAddress();
+
                 IPAddress interfaceAddress = scope.InterfaceAddress;
                 dhcpEP = new IPEndPoint(interfaceAddress, 67);
 
diff --git a/DnsServerCore/Dhcp/Scope.cs b/DnsServerCore/Dhcp/Scope.cs
index 179d62f5..fe013229 100644
--- a/DnsServerCore/Dhcp/Scope.cs
+++ b/DnsServerCore/Dhcp/Scope.cs
@@ -448,7 +448,7 @@ namespace DnsServerCore.Dhcp
         {
             NetworkInterface[] networkInterfaces = NetworkInterface.GetAllNetworkInterfaces();
 
-            //find interface in current scope range
+            //find interface in current scope network range
             uint networkAddressNumber = _networkAddress.ConvertIpToNumber();
             uint subnetMaskNumber = _subnetMask.ConvertIpToNumber();