diff --git a/tools/restart_network.sh b/tools/restart_network.sh
index b8b1a39..103348d 100644
--- a/tools/restart_network.sh
+++ b/tools/restart_network.sh
@@ -1,14 +1,14 @@
 #!/bin/sh
 
-warning() {
-    printf "%s: Warning: %s\n" "$(basename $0)" "${@}" 1>&2;
+function warning {
+    echo "`basename $0`: Warning: ${@:1}" 1>&2;
 }
 
-service_do() {
-    if systemctl "$1" "$2"; then
+function service_do {
+    if systemctl $1 $2; then
         return 0;
     else
-        warning "Status $? on" "${@}"
+        warning "Status $?" "on $1 $2" ${@:3}
         return 1;
     fi
 }