diff --git a/services/000-master/ioc/AGEBD-CPCL-MASTER-DEV_main.subs b/services/000-master/ioc/AGEBD-CPCL-MASTER-DEV_main.subs
index aeedae2..e8cb3ea 100644
--- a/services/000-master/ioc/AGEBD-CPCL-MASTER-DEV_main.subs
+++ b/services/000-master/ioc/AGEBD-CPCL-MASTER-DEV_main.subs
@@ -30,5 +30,6 @@ file MASTER.template {
           { "-DEV",     "OPTICSFF-X11M"        , "0",     "0"     }  # SIM
           { "-DEV",     "OPTICSFF-X12S"        , "0",     "0"     }  # cSAXS
           { "-DEV",     "DUMMY-0000"           , "0",     "0"     }  # DUMMY to test
+          { "-DEV",     "DUMMY-0001"           , "0",     "0"     }  # DUMMY to test
 
 }