diff --git a/README.md b/README.md
index 74c446e..73fac87 100644
--- a/README.md
+++ b/README.md
@@ -124,7 +124,7 @@ After=network.target
 
 [Service]
 Type=oneshot
-ExecStart=/usr/bin/systemctl restart wg-quick@wg0.service
+ExecStart=/bin/bash /DIR-TO-RESTART-FILE/restart-wg.sh
 
 [Install]
 RequiredBy=wgui.path
diff --git a/restart-wg.sh b/restart-wg.sh
new file mode 100644
index 0000000..dbbe864
--- /dev/null
+++ b/restart-wg.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+
+config="/etc/wireguard/wg0.conf"
+old_config="/etc/wireguard/wg0.conf.old"
+
+if [ ! -f $old_config ]; then
+    awk '/Interface/,/# ID:/' $config | head -n -1 | tail -n +2 > $old_config
+    echo "No old config found, restarting wireguard (wg-quick)"
+    wg-quick down wg0
+    systemctl restart wg-quick@wg0.service
+    exit 0
+fi
+
+difference=$(diff <(awk '/Interface/,/# ID:/' $config | head -n -1 | tail -n +2) <(cat $old_config))
+
+if [ -n "$difference" ]; then
+    awk '/Interface/,/# ID:/' $config | head -n -1 | tail -n +2 > $old_config
+    echo "Changes to interface detected, restarting wireguard (wg-quick)"
+    wg-quick down wg0
+    systemctl restart wg-quick@wg0.service
+    exit 0
+else
+    awk '/Interface/,/# ID:/' $config | head -n -1 | tail -n +2 > $old_config
+    echo "No changes to interface detected, restarting wireguard (wg syncconf)"
+    wg syncconf wg0 <(wg-quick strip wg0)
+    exit 0
+fi