diff --git a/devices/SDP.py b/devices/SDP.py
index d4b3f702b9dbc9d5f72752b59aabd43f8d127912..19f21fc9380e57129ca89ea51396c39f72faf100 100644
--- a/devices/SDP.py
+++ b/devices/SDP.py
@@ -96,7 +96,7 @@ class SDP(hardware_device):
 
     fpga_firmware_version_R = attribute_wrapper(comms_annotation=["2:fpga_firmware_version_R"], datatype=numpy.str_, dims=(16,))
     fpga_hardware_version_R = attribute_wrapper(comms_annotation=["2:fpga_hardware_version_R"], datatype=numpy.str_, dims=(16,))
-    tr_software_version_R = attribute_wrapper(comms_annotation=["2:"], datatype=numpy.str_)
+    tr_software_version_R = attribute_wrapper(comms_annotation=["2:tr_software_version_R"], datatype=numpy.str_)
 
 
     def always_executed_hook(self):