diff --git a/src/osmo_gsm_tester/pcu_sysmo.py b/src/osmo_gsm_tester/pcu_sysmo.py
index cd3b75e..3f6149d 100644
--- a/src/osmo_gsm_tester/pcu_sysmo.py
+++ b/src/osmo_gsm_tester/pcu_sysmo.py
@@ -110,6 +110,7 @@
         config.overlay(values, self.suite_run.config())
         config.overlay(values, {
                         'osmo_pcu_sysmo': {
+                            'bts_addr': self.sysmobts.remote_addr(),
                             'pcu_socket_path': self.sysmobts.pcu_socket_path()
                         }
         })