diff --git a/bigbluebutton-config/bin/bbb-conf b/bigbluebutton-config/bin/bbb-conf
index aa75277efc..e3476e2176 100644
--- a/bigbluebutton-config/bin/bbb-conf
+++ b/bigbluebutton-config/bin/bbb-conf
@@ -324,7 +324,7 @@ enable_webrtc(){
 	sed -i "s@useWebrtcIfAvailable=\".*\"@useWebrtcIfAvailable=\"true\"@g" /var/www/bigbluebutton/client/conf/config.xml
 
 	# Enable port 5066 in FreeSWITCH
-	sed -i "s@<!--<param name=\"ws-binding\"  value=\":5066\"/>-->@<param name=\"ws-binding\"  value=\":5066\"/>@g" /opt/freeswitch/conf/sip_profiles/external.xml
+	sed -i 's/^.*<!--<param name="ws-binding"  value=":5066"\/>-->.*$/\t<param name="ws-binding"  value=":5066"\/>/g' /opt/freeswitch/conf/sip_profiles/external.xml
 
         sed -i "s/proxy_pass .*/proxy_pass http:\/\/$IP:5066;/g" /etc/bigbluebutton/nginx/sip.nginx
 
@@ -347,7 +347,7 @@ disable_webrtc(){
 	sed -i "s@useWebrtcIfAvailable=\".*\"@useWebrtcIfAvailable=\"false\"@g" /var/www/bigbluebutton/client/conf/config.xml
 
 	# Disable port 5066 in FreeSWITCH
-	sed -i "s@<param name=\"ws-binding\"  value=\":5066\"/>@<!--<param name=\"ws-binding\"  value=\":5066\"/>-->@g" /opt/freeswitch/conf/sip_profiles/external.xml
+	sed -i 's/^.*<param name="ws-binding"  value=":5066"\/>.*$/\t<!--<param name="ws-binding"  value=":5066"\/>-->/g' /opt/freeswitch/conf/sip_profiles/external.xml
 
         sed -i "s/proxy_pass .*/proxy_pass http:\/\/127.0.0.1:5066;/g" /etc/bigbluebutton/nginx/sip.nginx