diff --git a/chapter07/setclock.xml b/chapter07/setclock.xml
index 994626de6..b68fc317f 100644
--- a/chapter07/setclock.xml
+++ b/chapter07/setclock.xml
@@ -48,7 +48,10 @@ CLOCKPARAMS="--hctosys"
 
 case "$UTC" in
         yes|true|1)
-                CLOCKPARAMS="$CLOCKPARAMS -u"
+                CLOCKPARAMS="$CLOCKPARAMS --utc"
+                ;;
+        no|false|0)
+                CLOCKPARAMS="$CLOCKPARAMS --localtime"
                 ;;
 esac