diff --git a/README.md b/README.md
index 2f2c07b..2e72793 100644
--- a/README.md
+++ b/README.md
@@ -23,10 +23,11 @@ $ docker-compose build
 
 Customize the file `docker-compose`. You can change the following environment variables as needed
 
-* `DEVICE`: Some `tun` device, e.g. `tun0`
+* `DEVICE`: Some `tun` device, defaults to `tun0`
 * `SERVER_HOST`: The host name of your server
 * `SERVER_PORT`: The port the service should listen at
-* `NETWORK`: Some custom /24 network. e.g. `192.168.42.0`
+* `NETWORK`: Some custom /24 network. Defaults to `192.168.42.0`
+* `MTU`: MTU to be used. Use default wireguard MTU if not set.
 * `CLIENTS`: Number of clients for which configurations are to be created. Do not use more than 240 clients.
 * `DISABLE_FORWARD_ALL_TRAFFIC`: Use `true` or `yes` to not add iptables rules and do not forward all traffic.
 
@@ -45,8 +46,9 @@ wg_1  |  - Writing config to file tun0.conf
 wg_1  |  - Using endpoint hostname example.com
 wg_1  |  - Using port 51820
 wg_1  |  - Using network 192.168.42.0/24
-wg_1  |  - Generating 5 client configs and client QR codes
+wg_1  |  - Using default MTU
 wg_1  |  - Forward all traffic
+wg_1  |  - Generating 5 client configs and client QR codes
 wireguard_wg_1 exited with code 0
 ```
 
diff --git a/scripts/add-client.sh b/scripts/add-client.sh
index e65b781..13b2cf2 100755
--- a/scripts/add-client.sh
+++ b/scripts/add-client.sh
@@ -39,6 +39,13 @@ cat <<EOF > $DEVICE-client_$CLIENT_ID.conf
 Address = $NETWORK.$(($CLIENT_ID+10))/24
 ListenPort = $SERVER_PORT
 PrivateKey = ${CLIENT_SEC_KEY}
+EOF
+
+if [ $MTU ]; then
+echo "MTU = $MTU" >> $DEVICE-client_$CLIENT_ID.conf
+fi
+
+cat <<EOF >> $DEVICE-client_$CLIENT_ID.conf
 
 [Peer]
 PublicKey = $SERVER_PUB_KEY
diff --git a/scripts/create-config.sh b/scripts/create-config.sh
index 358af6b..05e6989 100755
--- a/scripts/create-config.sh
+++ b/scripts/create-config.sh
@@ -30,6 +30,12 @@ else
 fi
 echo " - Using network $NETWORK.0/24"
 
+if [[ -z $MTU ]]; then
+  echo " - Using default MTU"
+else
+  echo " - Using MTU: $MTU"
+fi
+
 if [ "$DISABLE_FORWARD_ALL_TRAFFIC" != "true" ] && [ "$DISABLE_FORWARD_ALL_TRAFFIC" != "yes" ]; then
   echo " - Forward all traffic"
 else
@@ -66,6 +72,10 @@ ListenPort = $SERVER_PORT
 PrivateKey = $SERVER_SEC_KEY
 EOF
 
+if [ $MTU ]; then
+echo "MTU = $MTU" >> $DEVICE.conf
+fi
+
 if [ "$DISABLE_FORWARD_ALL_TRAFFIC" != "true" ] && [ "$DISABLE_FORWARD_ALL_TRAFFIC" != "yes" ]; then
 cat <<EOF >> $DEVICE.conf
 
@@ -102,6 +112,13 @@ cat <<EOF >> $DEVICE-client_$i.conf
 Address = $NETWORK.$(($i+10))/24
 ListenPort = $SERVER_PORT
 PrivateKey = ${CLIENT_SEC_KEYS[$i]}
+EOF
+
+if [ $MTU ]; then
+echo "MTU = $MTU" >> $DEVICE-client_$i.conf
+fi
+
+cat <<EOF >> $DEVICE-client_$i.conf
 
 [Peer]
 PublicKey = $SERVER_PUB_KEY