diff --git a/Shorewall-common/wait4ifup b/Shorewall-common/wait4ifup
index 957864496..3e63ba882 100755
--- a/Shorewall-common/wait4ifup
+++ b/Shorewall-common/wait4ifup
@@ -33,7 +33,7 @@
 #
 
 interface_is_up() {
-    [ -n "$(ip link ls dev $1 2> /dev/null | grep -e '[<,]UP[,>]')" ] 
+    [ -n "$(ip link list dev $1 2> /dev/null | grep -e '[<,]UP[,>]')" ] 
 }
 
 case $# in