diff --git a/setup/so-functions b/setup/so-functions
index 5649d4387..090f5f572 100755
--- a/setup/so-functions
+++ b/setup/so-functions
@@ -619,7 +619,7 @@ configure_minion() {
 		"log_file: /opt/so/log/salt/minion" >> "$minion_config"
 
 	cp -f ../salt/salt/etc/minion.d/mine_functions.conf.jinja /etc/salt/minion.d/mine_functions.conf
-	sed -i "s/{{ GLOBALS.main_interface }}/$MAININT/" /etc/salt/minion.d/mine_functions.conf
+	sed -i "s/{{ GLOBALS.main_interface }}/$MNIC/" /etc/salt/minion.d/mine_functions.conf
 
 	{
 		systemctl restart salt-minion;