diff --git a/site_ansto/instrument/util/gen_sct.py b/site_ansto/instrument/util/gen_sct.py
index 8f748c28..53896877 100755
--- a/site_ansto/instrument/util/gen_sct.py
+++ b/site_ansto/instrument/util/gen_sct.py
@@ -782,7 +782,9 @@ def put_write_function(MyDriver, func):
   txt += ['    }']
   txt += ['  }']
   txt += ['  debug_log 1 "%s sct send ${cmd}"' % func]
-  txt += ['  sct send "${cmd}"']
+  txt += ['  if {![string equal -nocase -length 10 ${cmd} "@@NOSEND@@"]} {']
+  txt += ['    sct send "${cmd}"']
+  txt += ['  }']
   txt += ['  return ${nextState}']
   txt += ['}']
   emit(txt)