diff --git a/src/osmo_gsm_tester/templates/amarisoft_enb.cfg.tmpl b/src/osmo_gsm_tester/templates/amarisoft_enb.cfg.tmpl
index 73b4fd2..fab1649 100644
--- a/src/osmo_gsm_tester/templates/amarisoft_enb.cfg.tmpl
+++ b/src/osmo_gsm_tester/templates/amarisoft_enb.cfg.tmpl
@@ -3,11 +3,12 @@
  */
 {
 
+%if enb.license_server_addr != '0.0.0.0':
   license_server: {
     server_addr: "${enb.license_server_addr}",
     name: "amarisoft",
   },
-
+%endif
 
   /* Log filter: syntax: layer.field=value[,...]
 
diff --git a/src/osmo_gsm_tester/templates/amarisoft_ltemme.cfg.tmpl b/src/osmo_gsm_tester/templates/amarisoft_ltemme.cfg.tmpl
index a2af69a..f17248e 100644
--- a/src/osmo_gsm_tester/templates/amarisoft_ltemme.cfg.tmpl
+++ b/src/osmo_gsm_tester/templates/amarisoft_ltemme.cfg.tmpl
@@ -4,10 +4,12 @@
  */
 {
 
+%if epc.license_server_addr != '0.0.0.0':
   license_server: {
     server_addr: "${epc.license_server_addr}",
     name: "amarisoft",
   },
+%endif
 
   /* Log filter: syntax: layer.field=value[,...]