diff --git a/xCAT/postscripts/configinterface b/xCAT/postscripts/configinterface
index 25e465d5e..cc75ea143 100755
--- a/xCAT/postscripts/configinterface
+++ b/xCAT/postscripts/configinterface
@@ -71,6 +71,6 @@ fi
 if [ $UPDATED -eq 1 ]; then
     systemctl enable switchd
     systemctl start switchd
-    ifreload -a 
+    ifreload -a
 fi