diff --git a/setup/so-functions b/setup/so-functions
index 7dd5511fb..73eef96c2 100755
--- a/setup/so-functions
+++ b/setup/so-functions
@@ -483,7 +483,7 @@ collect_mtu() {
 collect_net_method() {
 	whiptail_net_method
 
-	[[ -n $network_traffic ]] && collect_proxy
+	[[ -z $network_traffic ]] && collect_proxy
 
 	if [[ "$network_traffic" == *"_MANAGER" ]]; then
 		whiptail_manager_updates_warning