--- a/classic-bugs/vol1/line/test1.cmd
+++ b/classic-bugs/vol1/line/test1.cmd
@@ -6,9 +6,9 @@
 inits in line-inits.R
 initialize
 update 1000
-monitor set alpha
-monitor set beta
-monitor set sigma 
-monitor set tau 
+monitor alpha
+monitor beta
+monitor sigma 
+monitor tau 
 update 10000 
 coda *