diff --git a/src/osmo_gsm_tester/osmo_msc.py b/src/osmo_gsm_tester/osmo_msc.py
index ca0e246..2ef88df 100644
--- a/src/osmo_gsm_tester/osmo_msc.py
+++ b/src/osmo_gsm_tester/osmo_msc.py
@@ -72,6 +72,7 @@
         config.overlay(values, self.suite_run.config())
         config.overlay(values, dict(msc=dict(ip_address=self.ip_address)))
         config.overlay(values, self.mgcpgw.conf_for_msc())
+        config.overlay(values, self.hlr.conf_for_msc())
 
         self.dbg('MSC CONFIG:\n' + pprint.pformat(values))