diff --git a/src/libcharon/plugins/eap_radius/eap_radius_accounting.c b/src/libcharon/plugins/eap_radius/eap_radius_accounting.c
index 7690cf9f8..33449d55f 100644
--- a/src/libcharon/plugins/eap_radius/eap_radius_accounting.c
+++ b/src/libcharon/plugins/eap_radius/eap_radius_accounting.c
@@ -178,6 +178,7 @@ static void add_ike_sa_parameters(radius_message_t *message, ike_sa_t *ike_sa)
 				break;
 		}
 	}
+	enumerator->destroy(enumerator);
 }
 
 /**