diff --git a/PCC/PCC/PCC.py b/PCC/PCC/PCC.py
index 68288f0948067712f3a319470700b4a47e2e58f5..ea7eb82a9c7f542c290ba174615583ec896ad5f7 100644
--- a/PCC/PCC/PCC.py
+++ b/PCC/PCC/PCC.py
@@ -495,7 +495,7 @@ class PCC(Device):
     @fault_on_error
     def read_RCU_state_R(self):
         """Return the RCU_state_R attribute."""
-        self._RCU_state_R = numpy.array(self.attribute_mapping["RCU_state_R"].get_value()
+        self._RCU_state_R = self.attribute_mapping["RCU_state_R"].get_value()
         return self._RCU_state_R
 
     @only_when_on