diff --git a/obmc/sensors.py b/obmc/sensors.py
index d3faef9..ca7be3c 100644
--- a/obmc/sensors.py
+++ b/obmc/sensors.py
@@ -299,7 +299,7 @@
 class PowerSupplyRedundancySensor(VirtualSensor):
     def __init__(self, bus, name):
         VirtualSensor.__init__(self, bus, name)
-        super(PsRedundancySensor,self).setValue("Disabled")
+        super(PowerSupplyRedundancySensor,self).setValue("Disabled")
 
     ## override setValue method
     @dbus.service.method(