diff --git a/aliases/alvra.py b/aliases/alvra.py
index 31de233..0b91090 100755
--- a/aliases/alvra.py
+++ b/aliases/alvra.py
@@ -225,6 +225,11 @@ aliases = {
 #                  'z_und' : 119,
 #                  'desc' : 'PALM EO-sampling delay line',
 #                  'eco_type' : 'xdiagnostics.palm.eo'},
+        'http://sf-daq-4:10000' : {
+                'alias' : 'DetJF',
+                'z_und' : 125,
+                'desc' : '4.5M Jungfrau detector',
+                'eco_type' : 'devices_general.alvradetectors.DIAClient'},
 #        'http://sf-daq-2:10000' : {
 #                'alias' : 'DetJF',
 #                'z_und' : 127,
diff --git a/devices_general/alvradetectors.py b/devices_general/alvradetectors.py
index 030b780..80318d4 100755
--- a/devices_general/alvradetectors.py
+++ b/devices_general/alvradetectors.py
@@ -460,7 +460,7 @@ class DiodeDigitizer:
 #         self.check_still_running()
 
 class DIAClient:
-    def __init__(self, Id, instrument=None, api_address = "http://sf-daq-2:10000", jf_name="JF_4.5M"):
+    def __init__(self, Id, instrument=None, api_address = "http://sf-daq-4:10000", jf_name="JF_4.5M"):
         self.Id = Id
         self._api_address = api_address 
         self.client = DetectorIntegrationClient(api_address)
diff --git a/instruments/alvra.py b/instruments/alvra.py
index 772a0e1..1b372a6 100755
--- a/instruments/alvra.py
+++ b/instruments/alvra.py
@@ -137,7 +137,7 @@ channellistPhotonDiag = dict(alvra_channel_list=
 bsdaqPhotonDiag = BStools(default_channel_list=channellistPhotonDiag,default_file_path='%s')
  
 from eco.devices_general.alvradetectors import DIAClient
-bsdaqJF = DIAClient('bsdaqJF', instrument="alvra", api_address = "http://sf-daq-2:10000")
+bsdaqJF = DIAClient('bsdaqJF', instrument="alvra", api_address = "http://sf-daq-4:10000")
 
 try:
     bsdaqJF.pgroup = int(exp_config['pgroup'][1:])