diff --git a/www/admin.php b/www/admin.php
index 6912db5..2c648fb 100644
--- a/www/admin.php
+++ b/www/admin.php
@@ -137,7 +137,8 @@ if ($action === 'identity_create') {
     }
     ?>
 <!doctype html>
-<html><head><meta charset="utf-8"><title>Identität anlegen</title></head>
+<html><head><meta charset="utf-8"><title>Identität anlegen</title><meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
+</head>
 <body>
 <h1>Neue Identität</h1>
 <form method="post">
@@ -183,7 +184,8 @@ if ($action === 'uuid_create_initial') {
     ?>
 <!doctype html>
 <html>
-<head><meta charset="utf-8"><title>Neue UUID anlegen</title></head>
+<head><meta charset="utf-8"><title>Neue UUID anlegen</title><meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
+</head>
 <body>
 <h1>Neue UUID anlegen</h1>
 
@@ -300,6 +302,8 @@ if ($action === 'identity_edit') {
 <head>
 <meta charset="utf-8">
 <title>Identität bearbeiten</title>
+<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
+
 </head>
 <body>
 
@@ -465,7 +469,8 @@ if ($action === 'uuid_edit') {
     );
     ?>
 <!doctype html>
-<html><head><meta charset="utf-8"><title>UUID bearbeiten</title></head>
+<html><head><meta charset="utf-8"><title>UUID bearbeiten</title><meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
+</head>
 <body>
 <h1>UUID bearbeiten</h1>
 <p><strong>UUID:</strong> <code><?= htmlspecialchars($uuid) ?></code></p>
@@ -509,7 +514,8 @@ $identities = $sql->get("SELECT * FROM identities ORDER BY id DESC");
 ?>
 <!doctype html>
 <html lang="de">
-<head><meta charset="utf-8"><title>Admin Dashboard</title></head>
+<head><meta charset="utf-8"><title>Admin Dashboard</title><meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
+</head>
 <body>
 
 <h1>Admin Dashboard</h1>
