diff --git a/src/osmo_gsm_tester/obj/ms_srs.py b/src/osmo_gsm_tester/obj/ms_srs.py
index 22e110d..2546624 100644
--- a/src/osmo_gsm_tester/obj/ms_srs.py
+++ b/src/osmo_gsm_tester/obj/ms_srs.py
@@ -40,6 +40,7 @@
         'airplane_t_off_ms': schema.INT,
         'tx_gain': schema.UINT,
         'rx_gain': schema.UINT,
+        'freq_offset': schema.INT,
         }
     for key, val in RunNode.schema().items():
         resource_schema['run_node.%s' % key] = val
diff --git a/src/osmo_gsm_tester/templates/srsue.conf.tmpl b/src/osmo_gsm_tester/templates/srsue.conf.tmpl
index 05c6c55..be75347 100644
--- a/src/osmo_gsm_tester/templates/srsue.conf.tmpl
+++ b/src/osmo_gsm_tester/templates/srsue.conf.tmpl
@@ -38,7 +38,7 @@
 % else:
 dl_earfcn = 2850
 % endif
-freq_offset = 0
+freq_offset = ${ue.freq_offset}
 tx_gain = ${ue.tx_gain}
 rx_gain = ${ue.rx_gain}
 
diff --git a/sysmocom/defaults.conf b/sysmocom/defaults.conf
index 2f2e317..b175cbb 100644
--- a/sysmocom/defaults.conf
+++ b/sysmocom/defaults.conf
@@ -163,6 +163,7 @@
   num_carriers: 1
   tx_gain: 80
   rx_gain: 40
+  freq_offset: 0
   log_all_level: warning
 
 amarisoftue: