diff --git a/src/z2ui5_cl_http_handler.clas.abap b/src/z2ui5_cl_http_handler.clas.abap
index 6febeaca..84be56aa 100644
--- a/src/z2ui5_cl_http_handler.clas.abap
+++ b/src/z2ui5_cl_http_handler.clas.abap
@@ -9,6 +9,7 @@ CLASS z2ui5_cl_http_handler DEFINITION
         t_config                TYPE z2ui5_if_client=>ty_t_name_value OPTIONAL
         content_security_policy TYPE clike                            OPTIONAL
         check_logging           TYPE abap_bool                        OPTIONAL
+          PREFERRED PARAMETER t_config
       RETURNING
         VALUE(r_result)         TYPE string.