diff --git a/web/SimpleWebPage.py b/web/SimpleWebPage.py
index b3015ab..31805a5 100755
--- a/web/SimpleWebPage.py
+++ b/web/SimpleWebPage.py
@@ -250,6 +250,7 @@ def get_password_page(secret, target_base, target_ext):
 <head>
   <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
   <link rel="shortcut icon" href="data:image/x-icon;," type="image/x-icon">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>Password required</title>
 <script language="JavaScript">
 Object.defineProperty(String.prototype, 'hashCode', {
