diff --git a/app/src/main/java/eu/faircode/netguard/ActivityMain.java b/app/src/main/java/eu/faircode/netguard/ActivityMain.java
index b09f080e..28086351 100644
--- a/app/src/main/java/eu/faircode/netguard/ActivityMain.java
+++ b/app/src/main/java/eu/faircode/netguard/ActivityMain.java
@@ -189,6 +189,10 @@ public class ActivityMain extends AppCompatActivity implements SharedPreferences
                 prefs.edit().putBoolean("enabled", isChecked).apply();
 
                 if (isChecked) {
+                    Toast on = Toast.makeText(ActivityMain.this, R.string.msg_on, Toast.LENGTH_LONG);
+                    on.setGravity(Gravity.CENTER, 0, 0);
+                    on.show();
+
                     try {
                         final Intent prepare = VpnService.prepare(ActivityMain.this);
                         if (prepare == null) {
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index d54bd23f..8bd54319 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -207,6 +207,7 @@ Your internet traffic is not being sent to a remote VPN server.</string>
     <string name="msg_system">Managing all (system) applications can be enabled in the settings</string>
     <string name="msg_issue">Please describe the problem and indicate the time of the problem:</string>
     <string name="msg_vpn_cancelled">VPN connection cancelled\nDid you configure another VPN to be an always-on VPN?</string>
+    <string name="msg_on">Powering down your device with NetGuard enabled, will automatically start NetGuard on powering up your device</string>
 
     <string name="title_unmetered_allowed">Unmetered traffic is allowed</string>
     <string name="title_unmetered_blocked">Unmetered traffic is blocked</string>