diff --git a/tangostationcontrol/tangostationcontrol/devices/beam.py b/tangostationcontrol/tangostationcontrol/devices/beam.py
index 357798272a1328c657d51697e90bcdbf09b016fe..d674aafa99221432bf368ef9f8a8f5de8cb4d4a2 100644
--- a/tangostationcontrol/tangostationcontrol/devices/beam.py
+++ b/tangostationcontrol/tangostationcontrol/devices/beam.py
@@ -135,7 +135,8 @@ class Beam(lofar_device):
         delays = self._HBAT_delays(pointing_direction, timestamp)
         
         # Convert delays into beam weights
-        HBAT_bf_delays = self._calculate_HBAT_bf_delays(delays, self.HBAT_signal_input_delays, self.recv_proxy.HBAT_bf_delay_step_delays)
+        HBAT_bf_delay_step_delays = self.recv_proxy.get_property('HBAT_bf_delay_step_delays')['HBAT_bf_delay_step_delays'][0]
+        HBAT_bf_delays = self._calculate_HBAT_bf_delays(delays, self.HBAT_signal_input_delays, HBAT_bf_delay_step_delays)
 
         # Write weights to RECV
         self.recv_proxy.HBAT_BF_delays_RW = HBAT_bf_delays