diff --git a/siriuspy/siriuspy/devices/pwrsupply.py b/siriuspy/siriuspy/devices/pwrsupply.py
index b1679e3f6..9fab6b677 100644
--- a/siriuspy/siriuspy/devices/pwrsupply.py
+++ b/siriuspy/siriuspy/devices/pwrsupply.py
@@ -111,6 +111,8 @@ def __init__(self, devname, auto_monitor_mon=False, props2init='all'):
             name = devname.substitute(dis='MA')
             if name.dev == 'B1B2' or (name.sec == 'BO' and name.dev == 'B'):
                 maname = name.substitute(idx='')
+            else:
+                maname = name
             self._normalizer = _NormFactory.create(maname)
         except:
             self._normalizer = None