diff --git a/index.html b/index.html
index a77cf6f..d8d97dd 100644
--- a/index.html
+++ b/index.html
@@ -3,7 +3,10 @@
   <head>
     <meta charset="UTF-8" />
     <link rel="icon" href="/favicon.ico" />
-    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <meta
+      name="viewport"
+      content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0"
+    />
     <title>OSM Filter</title>
   </head>
   <body>
