diff --git a/gen_caddyfile_and_start.sh b/gen_caddyfile_and_start.sh
index a8a5e67..419f9c5 100755
--- a/gen_caddyfile_and_start.sh
+++ b/gen_caddyfile_and_start.sh
@@ -1,6 +1,12 @@
 #!/usr/bin/env bash
 
 CADDYFILE="${CADDYFILE:-/etc/caddy/Caddyfile}"
+STUNFILE="${STUNFILE:-/etc/stunfile.conf}"
+
+STUNSERVERCRT="${STUNSERVERCRT:-/etc/stunserver.crt}"
+STUNSERVERKEY="${STUNSERVERKEY:-/etc/stunserver.key}"
+STUNCLIENTKEY="${STUNCLIENTCRT:-/etc/stunclient.crt}"
+
 ROOTDIR="${ROOTDIR:-/srv/index}"
 SITE_ADDRESS="${SITE_ADDRESS:-localhost}"
 
@@ -29,7 +35,13 @@ else
     generate_caddyfile
 fi
 
-stunnel /etc/stunfile.conf > /stun-access.log 2>&1 &
+cp "$STUNFILE" "${STUNFILE}_overload"
+STUNFILE="${STUNFILE}_overload"
+sed -i -e 's/.etc.stunserver.crt/'"${STUNSERVERCRT}"'/g' "${STUNFILE}"
+sed -i -e 's/.etc.stunserver.key/'"${STUNSERVERKEY}"'/g' "${STUNFILE}"
+sed -i -e 's/.etc.stunclient.crt/'"${STUNCLIENTCRT}"'/g' "${STUNFILE}"
+
+stunnel "${STUNFILE}" > /stun-access.log 2>&1 &
 
 $(which caddy) ${CADDY_OPTS} -conf ${CADDYFILE} &
 pid=$! 
diff --git a/stunfile b/stunfile
index b0f60ca..62dfbbc 100644
--- a/stunfile
+++ b/stunfile
@@ -2,11 +2,13 @@
 
 foreground=yes
 output=/stun-access.log
+verifyPeer=yes
+requireCert=yes
+
 cert=/etc/stunserver.crt
 key=/etc/stunserver.key
 CAfile=/etc/stunclient.crt
-verifyPeer=yes
-requireCert=yes
+
 [default]
 accept=2018
 connect=2015