diff --git a/controllers/ext_client.go b/controllers/ext_client.go
index 15b165cf..00926fc9 100644
--- a/controllers/ext_client.go
+++ b/controllers/ext_client.go
@@ -153,6 +153,12 @@ func getExtClientConf(w http.ResponseWriter, r *http.Request) {
 	}
 	gwendpoint := gwnode.Endpoint + ":" + strconv.Itoa(int(gwnode.ListenPort))
 	newAllowedIPs := network.AddressRange
+	if newAllowedIPs != "" {
+		addrString += ","
+	}
+	if network.AddressRange6 != "" {
+		newAllowedIPs += network.AddressRange6
+	}
 	if egressGatewayRanges, err := logic.GetEgressRangesOnNetwork(&client); err == nil {
 		for _, egressGatewayRange := range egressGatewayRanges {
 			newAllowedIPs += "," + egressGatewayRange
diff --git a/controllers/network.go b/controllers/network.go
index 6ee74539..56c5ec5a 100644
--- a/controllers/network.go
+++ b/controllers/network.go
@@ -308,7 +308,7 @@ func createNetwork(w http.ResponseWriter, r *http.Request) {
 	}
 
 	if network.AddressRange == "" && network.AddressRange6 == "" {
-		returnErrorResponse(w, r, formatError(err, "badrequest"))
+		returnErrorResponse(w, r, formatError(fmt.Errorf("IPv4 or IPv6 CIDR required"), "badrequest"))
 		return
 	}