diff --git a/turn.yml b/turn.yml
index b813f95..53495fb 100644
--- a/turn.yml
+++ b/turn.yml
@@ -104,7 +104,7 @@
           #local_ip=$(ip route get 1 | grep " src " | head -n1  | cut -d" " -f7)
           #g_valid_ipv4 "$local_ip" || g_echo_error_exit "Invalid local_ip $local_ip"
           external_ip=$(curl -s https://checkipv4.dedyn.io)
-          g_valid_ipv4 "$local_ip" || g_echo_error_exit "Invalid external_ip $external_ip"
+          g_valid_ipv4 "$external_ip" || g_echo_error_exit "Invalid external_ip $external_ip"
           if ! grep -q "external-ip=$local_ip/$external_ip" turnserver.conf
           then
             sed -i '/^external-ip=.*/d' turnserver.conf