diff --git a/bbb-install-2.5.sh b/bbb-install-2.5.sh
index ccc19bf..0c2c5e2 100755
--- a/bbb-install-2.5.sh
+++ b/bbb-install-2.5.sh
@@ -1013,8 +1013,8 @@ install_coturn() {
 listening-port=3478
 tls-listening-port=443
 
-listening-ip=$IP
-relay-ip=$IP
+listening-ip=${INTERNAL_IP:-$IP}
+relay-ip=${INTERNAL_IP:-$IP}
 $EXTERNAL_IP
 
 min-port=32769
diff --git a/bbb-install-2.6.sh b/bbb-install-2.6.sh
index 077bf07..4e7b5ec 100755
--- a/bbb-install-2.6.sh
+++ b/bbb-install-2.6.sh
@@ -1002,8 +1002,8 @@ install_coturn() {
 listening-port=3478
 tls-listening-port=443
 
-listening-ip=$IP
-relay-ip=$IP
+listening-ip=${INTERNAL_IP:-$IP}
+relay-ip=${INTERNAL_IP:-$IP}
 $EXTERNAL_IP
 
 min-port=32769
diff --git a/bbb-install.sh b/bbb-install.sh
index 85f36d3..b3d6470 100755
--- a/bbb-install.sh
+++ b/bbb-install.sh
@@ -1053,8 +1053,8 @@ install_coturn() {
 listening-port=3478
 tls-listening-port=443
 
-listening-ip=$IP
-relay-ip=$IP
+listening-ip=${INTERNAL_IP:-$IP}
+relay-ip=${INTERNAL_IP:-$IP}
 $EXTERNAL_IP
 
 min-port=32769