diff --git a/opencapif_sdk/service_discoverer.py b/opencapif_sdk/service_discoverer.py
index 6b1c8eb3bd1454226caa18dc83549ed83c0828eb..ed789860b7516e1e75e00c42f6eea113487399e5 100644
--- a/opencapif_sdk/service_discoverer.py
+++ b/opencapif_sdk/service_discoverer.py
@@ -228,7 +228,7 @@ class service_discoverer:
                 ip = self.invoker_capif_details["registered_security_contexes"][i]['aef_profiles'][n]['ip']
                 port = self.invoker_capif_details["registered_security_contexes"][i]['aef_profiles'][n]['port']
                 security_info = {
-                    "interfaceDescriptions": [
+                    "interfaceDetails": [
                             {
                                 "ipv4Addr": ip,
                                 "port": port,