diff --git a/scripts/build_nat_network.sh b/scripts/build_nat_network.sh
index 3b5a759..135f603 100644
--- a/scripts/build_nat_network.sh
+++ b/scripts/build_nat_network.sh
@@ -6,6 +6,8 @@ _red() { echo -e "\033[31m\033[01m$@\033[0m"; }
 _green() { echo -e "\033[32m\033[01m$@\033[0m"; }
 _yellow() { echo -e "\033[33m\033[01m$@\033[0m"; }
 _blue() { echo -e "\033[36m\033[01m$@\033[0m"; }
+export LC_ALL=en_US.utf8
+export LANG=en_US.utf8
 
 API_NET=("ip.sb" "ipget.net" "ip.ping0.cc" "https://ip4.seeip.org" "https://api.my-ip.io/ip" "https://ipv4.icanhazip.com" "api.ipify.org")
 for p in "${API_NET[@]}"; do