diff --git a/index.html b/index.html
index 7b93b19..ca652db 100644
--- a/index.html
+++ b/index.html
@@ -3,7 +3,7 @@
     <head>
         <meta charset="UTF-8">
         <title>Doses</title>
-        <meta name="viewport" content="width=device-width, initial-scale=1.0">
+        <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
         <style>
             html {
                 font-family: -apple-system, system-ui, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
