diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/epc.generic.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/epc.generic.conf
index 950261e6bcd69f6fe1b675e5db81cb785f0003ed..125468e5c7dc22dac0c5b704a3e87e37b2a3b10c 100755
--- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/epc.generic.conf
+++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/epc.generic.conf
@@ -159,6 +159,7 @@ S-GW :
 
         SGW_INTERFACE_NAME_FOR_S1U_S12_S4_UP    = "eth2";
         SGW_IPV4_ADDRESS_FOR_S1U_S12_S4_UP      = "192.168.13.17/24";
+        SGW_INTERFACE_MTU_FOR_S1U_S12_S4_UP     = 1564;
         SGW_IPV4_PORT_FOR_S1U_S12_S4_UP         = 2152;
 
         SGW_INTERFACE_NAME_FOR_S5_S8_UP         = "none";