diff --git a/src/aare/daq/devices.py b/src/aare/daq/devices.py
index 9a6b911c..b5280c4b 100644
--- a/src/aare/daq/devices.py
+++ b/src/aare/daq/devices.py
@@ -88,11 +88,18 @@ class BeamlineDevices:
         self.__cryojet_temperature_get = PV(f"{BEAMLINE}-ES-CS:TEMP_RBV")
         self.__cryojet_temperature_set = PV(f"{BEAMLINE}-ES-CS:TEMP.VAL")
 
-        self.__transmission = SetGetPV(
-            name = "transmission",
-            setpv = f"{BEAMLINE}-ES-SSFI:TRANSM-SET",
-            getpv = f"{BEAMLINE}-ES-SSFI:TRANSM-GET"
-        )
+        if self._beamline == MXBeamline.X06DA:
+            self.__transmission = SetGetPV(
+                name="transmission",
+                setpv=f"{BEAMLINE}-ES-BCFI:TRANSM-SET",
+                getpv=f"{BEAMLINE}-ES-BCFI:TRANSM-GET"
+            )
+        else:
+            self.__transmission = SetGetPV(
+                name = "transmission",
+                setpv = f"{BEAMLINE}-ES-SSFI:TRANSM-SET",
+                getpv = f"{BEAMLINE}-ES-SSFI:TRANSM-GET"
+            )
 
         self.__fast_shutter = PV(f"{BEAMLINE}-ES-SHUTTER:SET")