--- a/classic-bugs/vol1/pump/test1.cmd
+++ b/classic-bugs/vol1/pump/test1.cmd
@@ -4,8 +4,8 @@
 inits in "pump-init.R"
 initialize
 update 1000 
-monitor set theta
-monitor set alpha
-monitor set beta
+monitor theta
+monitor alpha
+monitor beta
 update 5000
 coda *