diff --git a/setup/so-functions b/setup/so-functions
index 966743c4e..81d7b4fe6 100755
--- a/setup/so-functions
+++ b/setup/so-functions
@@ -751,7 +751,7 @@ check_sos_appliance() {
 }
 
 compare_main_nic_ip() {
-	if [[ "$MNIC" == "tun*" ]] || [[ "$MNIC" == "wg*" ]] || [[ "$MNIC" == "vpn*" ]]; then
+	if [[ "$MNIC" == "TUN*" ]] || [[ "$MNIC" == "wg*" ]] || [[ "$MNIC" == "vpn*" ]]; then
 	echo "This is a VPN"
 	else
 	  if [[ "$MAINIP" != "$MNIC_IP" ]]; then