diff --git a/openair-cn/SGW-LITE/spgw_config.h b/openair-cn/SGW-LITE/spgw_config.h
index ade8287a8a..a6dc510bd2 100755
--- a/openair-cn/SGW-LITE/spgw_config.h
+++ b/openair-cn/SGW-LITE/spgw_config.h
@@ -45,6 +45,7 @@
 #define SGW_CONFIG_STRING_NETWORK_INTERFACES_CONFIG             "NETWORK_INTERFACES"
 #define SGW_CONFIG_STRING_SGW_INTERFACE_NAME_FOR_S1U_S12_S4_UP  "SGW_INTERFACE_NAME_FOR_S1U_S12_S4_UP"
 #define SGW_CONFIG_STRING_SGW_IPV4_ADDRESS_FOR_S1U_S12_S4_UP    "SGW_IPV4_ADDRESS_FOR_S1U_S12_S4_UP"
+#define SGW_CONFIG_STRING_SGW_PORT_FOR_S1U_S12_S4_UP            "SGW_IPV4_PORT_FOR_S1U_S12_S4_UP"
 #define SGW_CONFIG_STRING_SGW_INTERFACE_NAME_FOR_S5_S8_UP       "SGW_INTERFACE_NAME_FOR_S5_S8_UP"
 #define SGW_CONFIG_STRING_SGW_IPV4_ADDRESS_FOR_S5_S8_UP         "SGW_IPV4_ADDRESS_FOR_S5_S8_UP"
 #define SGW_CONFIG_STRING_SGW_INTERFACE_NAME_FOR_S11            "SGW_INTERFACE_NAME_FOR_S11"