diff --git a/tangostationcontrol/tangostationcontrol/integration_test/devices/test_device_beam.py b/tangostationcontrol/tangostationcontrol/integration_test/devices/test_device_beam.py
index 8c546220d2c7570268e2754377a9594c23a06fa7..8e1f2091f41504358619d793aa98ba52761f5e03 100644
--- a/tangostationcontrol/tangostationcontrol/integration_test/devices/test_device_beam.py
+++ b/tangostationcontrol/tangostationcontrol/integration_test/devices/test_device_beam.py
@@ -34,7 +34,7 @@ class TestDeviceBeam(AbstractTestBases.TestDeviceBase):
         self.assertIsNotNone(HBAT_delays_r1)
         
         # Verify writing operation does not lead to errors
-        self.proxy.HBAT_set_pointing(["J2000", "0deg", "0deg"] * 96)  # write values to RECV
+        self.proxy.HBAT_set_pointing(numpy.array([["J2000","0deg","0deg"]] * 96).flatten())  # write values to RECV
         HBAT_delays_r2 = numpy.array(recv_proxy.read_attribute('HBAT_BF_delays_RW').value)
         self.assertIsNotNone(HBAT_delays_r2)
         
diff --git a/tangostationcontrol/tangostationcontrol/test/devices/test_beam_device.py b/tangostationcontrol/tangostationcontrol/test/devices/test_beam_device.py
index 929f969b3383c2a3932779e434523862d6702988..2aa26e1b4a27ab950ca2b5b00c8c77a20950fc38 100644
--- a/tangostationcontrol/tangostationcontrol/test/devices/test_beam_device.py
+++ b/tangostationcontrol/tangostationcontrol/test/devices/test_beam_device.py
@@ -12,6 +12,7 @@ from tango.test_context import DeviceTestContext
 
 from tangostationcontrol.devices import beam
 
+import numpy
 import mock
 
 from tangostationcontrol.test import base
@@ -55,7 +56,7 @@ class TestBeamDevice(base.TestCase):
             self.assertEqual(DevState.ON, proxy.state())
 
             # verify HBAT_delays method returns the correct dimensions
-            HBAT_delays = proxy.HBAT_delays([["J2000","0deg","0deg"]] * 96)
+            HBAT_delays = proxy.HBAT_delays(numpy.array([["J2000","0deg","0deg"]] * 96).flatten())
             self.assertEqual((96*16,), HBAT_delays.shape)
     
     def test_HBAT_delays_calculations(self):
@@ -69,6 +70,6 @@ class TestBeamDevice(base.TestCase):
             self.assertEqual(DevState.ON, proxy.state())
         
             # verify if values are actually transformed
-            HBAT_delays = proxy.HBAT_delays([["J2000","0deg","0deg"]] * 96)
+            HBAT_delays = proxy.HBAT_delays(numpy.array([["J2000","0deg","0deg"]] * 96).flatten())
             HBAT_bf_delays = proxy.calculate_HBAT_bf_delays(HBAT_delays)
             self.assertNotEqual(HBAT_delays, HBAT_bf_delays)