diff --git a/openair2/NETWORK_DRIVER/UE_IP/constant.h b/openair2/NETWORK_DRIVER/UE_IP/constant.h
index 72ac91010b..c94a4a9ffa 100755
--- a/openair2/NETWORK_DRIVER/UE_IP/constant.h
+++ b/openair2/NETWORK_DRIVER/UE_IP/constant.h
@@ -42,7 +42,7 @@ Address      : EURECOM,
 #define UE_IP_ADDR_LEN               8
 #define UE_IP_INET6_ADDRSTRLEN       46
 #define UE_IP_INET_ADDRSTRLEN        16
-#define UE_IP_DEFAULT_RAB_ID         5
+#define UE_IP_DEFAULT_RAB_ID         1
 
 #define UE_IP_RESET_RX_FLAGS         0