diff --git a/docker/coturn/rootfs/usr/local/bin/coturn.sh b/docker/coturn/rootfs/usr/local/bin/coturn.sh
index 4f87a034..73427969 100755
--- a/docker/coturn/rootfs/usr/local/bin/coturn.sh
+++ b/docker/coturn/rootfs/usr/local/bin/coturn.sh
@@ -1,17 +1,19 @@
 #!/bin/bash
 
+cd /tmp/
+
 cat > ./turnserver.conf << EOF
 external-ip=${TURN_PUBLIC_IP:-127.0.0.1}
 listening-port=${TURN_LISTEN_PORT:-3478}
 fingerprint
 lt-cred-mech
 max-port=${MAX_PORT:-65535}
 min-port=${MIN_PORT:-40000}
 pidfile="$(pwd)/turnserver.pid"
 realm=openvidu
 simple-log
 redis-userdb="ip=${REDIS_IP:-127.0.0.1} dbname=${DB_NAME:-2} connect_timeout=30"
 verbose
 EOF
 
 /usr/bin/turnserver -c ./turnserver.conf