diff --git a/interface/include/config_impl.h.template b/interface/include/config_impl.h.template
index e021242..4210055 100644
--- a/interface/include/config_impl.h.template
+++ b/interface/include/config_impl.h.template
@@ -11,9 +11,11 @@
 #define __CONFIG_IMPL_H__
 
 {% if ipc_partition_num > 0 and sfn_partition_num == 0 %}
-#define BACKEND_IPC                 1
+#define {{"%-56s"|format("CONFIG_TFM_SPM_BACKEND_IPC")}} 1
+#define {{"%-56s"|format("CONFIG_TFM_PSA_API_SUPERVISOR_CALL")}} 1
+
 {% elif sfn_partition_num > 0 and ipc_partition_num == 0 %}
-#define BACKEND_SFN                 1
+#define CONFIG_TFM_SPM_BACKEND_SFN                 1
 
 #if TFM_LVL > 1
 #error "High isolation level SFN model is not supported."
@@ -22,7 +24,8 @@
 {% elif sfn_partition_num > 0 and ipc_partition_num > 0 %}
 #error "IPC and SFN co-work not supported yet."
 {% else %}
-#error "Invalid partition number inputted, check configurations."
+#error "Invalid partition number input, check configurations."
 {% endif %}
+#include "psa_interface_redirect.h"
 
 #endif /* __CONFIG_IMPL_H__ */