diff --git a/apps/model/model.html b/apps/model/model.html
index 4d3b6821a..606c02e2f 100644
--- a/apps/model/model.html
+++ b/apps/model/model.html
@@ -5,7 +5,7 @@
   <meta name="keywords" content="camicroscope, quip"/>
   <meta charset='utf-8'>
   <meta http-equiv='X-UA-Compatible' content='IE=edge'>
-  <meta name='viewport' content='width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no'>
+  <meta name='viewport' content='width=device-width, initial-scale=1.0, maximum-scale=2.0>
 
   <title>caMicroscope</title>
   <!-- google material icons css sheet -->