diff --git a/iocsh/plc/grbl.plc b/iocsh/plc/grbl.plc
index 7769471..69581a1 100644
--- a/iocsh/plc/grbl.plc
+++ b/iocsh/plc/grbl.plc
@@ -1,15 +1,12 @@
 
+#
+# Test of GRBL plugin for g-code parsing
+#  
+
 println('GRBL busy:', grbl_get_busy());
 
-static.state;
-
 if(not(grbl_get_busy())) {
   println('Retrigger g-code!!');
   grbl_set_execute(0);
-  grbl_set_execute(1);
-  static.state:=1;
+  grbl_set_execute(1);  
 };
-
-
-
-